Entry 6 senses · 3 variants Webster, 1913 Checker /(chĕk"ẽr)/ · Check·er · IPA /ˈt͡ʃɛkɚ/ n. v. t. n. 01 n. One who checks. 1. One who checks. 02 v. t. To mark with small squares like a checkerboard, as by crossing stripes of different colors. imp. & p. p. Checkered; p. pr. & vb. n. Checkering 1. To mark with small squares like a checkerboard, as by crossing stripes of different colors. 2. To variegate or diversify with different qualities, colors, scenes, or events; esp., to subject to frequent alternations of prosperity and adversity. “Our minds are, as it were, checkered with truth and falsehood.” — Addison. 03 n. A piece in the game of draughts or checkers. 1. A piece in the game of draughts or checkers. 2. A pattern in checks; a single check. 3. Checkerwork.