Emily Dickinson Lexicon

WAR'BLER, n.

1. A singer; a songster; used of birds. In lulling strains the feathered warblers woo. – Tickel.
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 arranged by some as a species of the genus. – Ed. Encyc. Wilson.