checker Definition

chessboard

a square or spot resembling the markings of a checkerboard

a piece in checkers

to variegate with different colors or shades

to vary with contrasting elements or situations

to mark into squares

one that checks

an employee who checks out purchases in a self-service store

a feature that finds grammatical errors

to skate back toward one's own goal while closely defending against the offensive rushes of an opposing player in ice hockey

to verify the factual accuracy of

a computer program or function (as in a word processor) that identifies possible misspellings in a block of text by comparing the text with a database of accepted spellings —called also spell-check, spelling checker