chin.

The bottom of a face, (specifically) the typically jutting jawline below the mouth.

What does it mean to have a pointy chin instead of a flat chin?

Talk.

A lie, a falsehood.

A person of the upper class.

The ability to withstand being punched in the chin without being knocked out.

The lower part of the front of an aircraft, below the nose.

To paint chins of aircraft

The bottom part of a mobile phone, below the screen.

The phone's chin looks different from the rest of it.

To talk.

To talk to or with (someone).

To perform a chin-up (exercise in which one lifts one's own weight while hanging from a bar).

To punch or hit (someone), especially on the chin (part of the body).

To put or hold (a musical instrument) up to one's chin.

To turn on or operate (a device) using one's chin; to select (a particular setting) using one's chin.

To put one's chin on (something).

To indicate or point toward (someone or something) with one's chin.

A chinchilla.