wagtail

[ wag-teyl ]
/ ˈwægˌteɪl /

noun

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.
any of several similar birds, as the water thrushes of the genus Seiurus.

Origin of wagtail

First recorded in 1500–10; wag + tail1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for wagtail

British Dictionary definitions for wagtail

wagtail

/ (ˈwæɡˌteɪl) /

noun

any of various passerine songbirds of the genera Motacilla and Dendronanthus, of Eurasia and Africa, having a very long tail that wags when the bird walks: family Motacillidae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012