Checker (ch&ebreve_;k&etilde_;r), n. [From Check, v. t.] One who checks.
[1913 Webster]

Checker, n. [OF. eschequier. See Checker, v. t.] 1. A piece in the game of draughts or checkers.
[1913 Webster]

2. A pattern in checks; a single check.
[1913 Webster]

3. Checkerwork.
[1913 Webster]

&hand_; This word is also written chequer.
[1913 Webster]