Dictionary
wag•tail
Pronunciation: (wag'tāl"), [key]—
n.
1. any of numerous small, chiefly Old World birds of the family Motacillidae, having a slender body with a long, narrow tail that is habitually wagged up and down.
2. any of several similar birds, as the water thrushes of the genus
Seiurus.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.