block.

A substantial, often approximately cuboid, piece of any substance.

a block of ice; a block of stone

She picked up the block and examined it.

A substantial, often approximately cuboid, piece of any substance. A chopping block: a cuboid base for cutting or beheading.

Anne Boleyn placed her head on the block and awaited her execution.

A substantial, often approximately cuboid, piece of any substance. A wig block: a simplified head model upon which wigs are worn.

A substantial, often approximately cuboid, piece of any substance. A mould on which hats, bonnets, etc., are shaped.

A substantial, often approximately cuboid, piece of any substance. A piece of hard wood on which a stereotype or electrotype plate is mounted.

A substantial, often approximately cuboid, piece of any substance. A case or frame housing one or more sheaves (pulleys), used with ropes to increase or redirect force, for example as part of lifting gear or a sailing ship's rigging. See also block and tackle.

A substantial, often approximately cuboid, piece of any substance. A section of split logs used as fuel.

A substantial, often approximately cuboid, piece of any substance. A set of sheets (of paper) joined together at one end, forming a cuboid shape.

a block of 100 tickets

A substantial, often approximately cuboid, piece of any substance. The perch on which a bird of prey is kept.

A substantial, often approximately cuboid, piece of any substance. In Conway's Game of Life, a still life consisting of four living cells arranged in a two-by-two square.

A physical area or extent of something, often rectangular or approximately rectangular.

a block of text; a block of colour; a block of land

A physical area or extent of something, often rectangular or approximately rectangular. A joined group of four (or in some cases nine) postage stamps, forming a roughly square shape.

A physical area or extent of something, often rectangular or approximately rectangular. A discrete group of vines in a vineyard, often distinguished from others by variety, clone, canopy training method, irrigation infrastructure, or some combination thereof.

A logical extent or region; a grouping or apportionment of like things treated together as a unit.

a block of data; a block of seven days; a block reservation

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A logical data storage unit containing one or more physical sectors.

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A region of code in a program that acts as a single unit, such as a function or loop.

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A fixed-length group of bits making up part of a message.

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A portion of a macromolecule, comprising many units, that has at least one feature not present in adjacent portions.

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A section of a railroad where the block system is used.

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A contiguous range of Unicode code points used to encode characters of a specific type; can be of any size evenly divisible by 16, up to 65,536 (a full plane).

The "Specials" block comprises the sixteen codepoints from U+FFF0 through U+FFFF.

A logical extent or region; a grouping or apportionment of like things treated together as a unit. A yeargroup at Eton College.

A contiguous group of urban lots of property, typically several acres in extent, not crossed by public streets.

I’m going for a walk around the block.

A contiguous group of urban lots of property, typically several acres in extent, not crossed by public streets. The distance from one street to another in a city or suburb that is built (approximately) to a grid pattern.

The place you are looking for is two long blocks east and one short block north.

A cuboid or approximately cuboid building.

a block of flats; a tower block; an office block; a toilet block; a shower block

A cuboid or approximately cuboid building. A cellblock.

Something that prevents something from passing.

There’s a block in the pipe that means the water can’t get through.

Something that prevents something from passing. Interference or obstruction of cognitive processes.

a mental block

writer’s block

Something that prevents something from passing. Any point on the board where two or more men rest, and consequently an opponent may not land.

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck).

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck). A shot played by holding the bat vertically in the path of the ball, so that it loses momentum and drops to the ground.

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck). The position of a player or bat when guarding the wicket.

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck). A blockhole.

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck). The popping crease.

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck). A defensive play by one or more players meant to deflect a spiked ball back to the hitter’s court.

Something that prevents something from passing. An action to interfere with the movement of an opposing player or of the object of play (ball, puck). The portion of the movement where a gymnast pushes off the vault.

Something that prevents something from passing. A temporary or permanent ban that prevents access to an online account or service, or connection to or from a designated telephone number, IP address, or similar.

The Wiktionary page-blanking vandal was hit with an indefinite block.

I’ve put a block on calls from that number.

The human head.

I’ll knock your block off!

Solitary confinement.

A blockhead; a stupid person; a dolt.

To fill or obstruct (something) so that it is not possible to pass.

The pipe was blocked by leaves.

You’re blocking the road – I can’t get through!

To prevent (something or someone) from passing.

A broken-down car is blocking the traffic.

To prevent (something from happening or someone from doing something).

His plan to take over the business was blocked by the boss.

To impede (an opponent or opponent’s play).

He blocked the basketball player’s shot.

The offensive linemen tried to block the blitz.

To specify the positions and movements of the actors for (a section of a play or film).

It was very difficult to block this scene convincingly.

To hit with a block.

To play a block shot.

To bar (impose a ban on a person or bot, etc.) from connecting via telephone, instant messaging, etc., or from accessing an online account or service, or similar.

I tried to send you a message, but you’ve blocked me!

The user who started the edit war was blocked for a day to cool off.

To bar (a message or communication), or bar connection with (an online account or service, a designated telephone number, IP address, etc.).

They’ve blocked all calls to international numbers.

Most Internet services have been blocked.

To wait for some condition to become true.

When the condition expression is false, the thread blocks on the condition variable.

To shape, stretch, or mould knitted items, hats, books (and book covers), shoes, etc.

I blocked the mittens by wetting them and pinning them to a shaped piece of cardboard.

To shape or sketch out roughly.

When drawing a scene, first block the main features, and then fill in the detail.

To experience mental block or creative block.

To knock the hat of (a person) down over their eyes.

To reject or not play into one's scene partner during improv.

Misspelling of bloc.