[re.voke] vb re.voked ; re.vok.ing [ME, fr. MF revoquer, fr. L revocare, fr. re- + vocare to call, fr. voc-, vox voice--more at voice] vt (14c) 1: to annul by recalling or taking back: rescind "~ a will"
2: to bring or call back ~ vi: to fail to follow suit when able in a card game in violation of the rules -- re.vok.er n
[2]revoke n (1709): an act or instance of revoking in a card game