The Collaborative International Dictionary of English v.0.48:
Checkerboard \Check"er*board\ (ch[e^]k"[~e]r*b[=o]rd`), n. A board with sixty-four squares of alternate color, used for playing checkers, chess, or draughts. [1913 Webster]WordNet (r) 3.0 (2006):
checkerboard n 1: a board having 64 squares of two alternating colors [syn: checkerboard, checker board]