n. [ F. quintaine, LL. quintana; cf. W. chwintan a kind of hymeneal game. ] An object to be tilted at; -- called also
☞ A common form in the Middle Ages was an upright post, on the top of which turned a crosspiece, having on one end a broad board, and on the other a sand bag. The endeavor was to strike the board with the lance while riding under, and get away without being hit by the sand bag. “But a quintain, a mere lifeless block.” Shak. [ 1913 Webster ]
n. [ F., fr. Sp. quintal, fr. Ar. qintar a weight of 100 lbs., prob. fr. L. centenarius consisting of a hundred, fr. centeni a hundred each, fr. centum a hundred. See Hundred, and cf. Kentle. ]
a. [ L. quintanus, fr. quintus fifth, quinque five. See Five. ] Occurring as the fifth, after four others also, occurring every fifth day, reckoning inclusively;