{v.} To put a mark beside (the name of a person or thing on a list) to show that it has been counted. * /The teacher checked off each pupil as he got on the bus./ * /Bill wrote down the names of all the states he could remember, and then he checked them off against the list in his book./ Compare: TICK OFF.
CHECK OFF
Meaning of CHECK OFF in English
Slang English vocab. Английский сленговый словарь. 2012