any of several usually grayish-green leaf warblers, especially Phylloscopus trochilus, of Europe.
Origin of willow warbler
First recorded in 1840–50
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for willow warbler
Historical Examples of willow warbler
The willow-warbler is a rather larger bird with a tinge of yellow in his plumage.
Three other tantalizing little members of this numerous tribe are the chiff-chaff, willow-warbler, and wood-warbler.
Ornithologists seem well agreed that the Willow-warbler's food consists entirely of insects.
British Dictionary definitions for willow warbler
an Old World warbler, Phylloscopus trochilis, of Eurasian woodlands
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