plural of spelling checker

Pertaining to a rule concerning how to end a motorsports race, which requires that the final two laps of a race must be raced under green flag conditions, so that any red flag or (yellow) caution flag condition on these two laps will extend the race, to allow for a racing finish.

A pattern of squares of alternating colours. / A board, usually square, covered with such a pattern; especially such a board with 8×8 squares, used to play chess and draughts/checkers.

(transitive) To checker; to mark with an alternating pattern of light and dark.

plural of checkerboard

plural of checkerberry

The teaberry, Gaultheria procumbens.

plural of checkerspot

Any of a group of butterflies of the subfamily Nymphalinae whose wings bear a checkered, spotted pattern.

Alternative spelling of chequerwise