checked.

Marked with a check mark.

Having a pattern of checks; checkered.

a checked tie

Of syllables, having a coda.

Of consonants, glottalized.

Verified or validated in some way.

a computer program using checked arithmetic

Delivered to the airline (or train line, ferry, etc.), usually during check-in, to be stored in an inaccessible area to the passenger (the hold) during the flight (or other journey).

Of a letter square in a crossword grid, part of both an across word and a down word.

simple past and past participle of check

He checked his watch for the third time.