Qua"tre (?), n. [F.] A card, die. or domino, having four spots, or pips

{ Qua"tre*feuille (?), Qua"tre*foil (?), } n. [F. quatre feuilles.]

Same as Quarterfoil.

Quat"u*or (?), n. [F., fr. L. quattuor, quatuor, four. See Quartet.]

(Mus.) A quartet; -- applied chiefly to instrumental compositions.