Liard \Li"ard\ (l[imac]"[~e]rd), a. [OF. liart, LL. liardus gray, dapple.] Gray. [Obs.] --Chaucer. Note: Used by Chaucer as an epithet of a gray or dapple gray horse. Also used as a name for such a horse. Liard \Liard\ (ly[aum]r), n. [F.] A French copper coin of one fourth the value of a sou.