1a small short-winged songbird found chiefly in the New World.
Family Troglodytidae: many genera and numerous species, in particular the very small Troglodytes troglodytes ( winter wren), which has a short cocked tail and is the only wren that occurs the Old World
2 [usually with modifier] any of a number of small songbirds that resemble the true wrens in size or appearance.
