Polacca
Po*lac"ca\, n. [It. polacca, polaccra, polacra; cf. F. polaque, polacre, Sp. polacre,] [Written also
polacre.]
1. (Naut.) A vessel with two or three masts, used in the Mediterranean. The masts are usually of one piece, and without tops, caps, or crosstrees.
2. (Mus.) See
Polonaise.