American Dictionary of the English Language

WARBLER, noun

1 . A singer; a songster; used of birds.

In lulling strains the fetherd warblers woo.

2. The common name of a genus of small birds (Sylvia, ) comprising most of the small woodland songsters of Europe and North America. They feed on insects and are very lively and active. The blue-bird is a species of the genus.