Definition of yellow warbler in English:

yellow warbler

noun

  • 1(Also with distinguishing word) any of several small New World warblers of the genus Setophaga (family Parulidae), especially (more fully "American yellow warbler") S. petechia, which has greenish-yellow upperparts and bright yellow underparts.

  • 2(Chiefly with distinguishing word) any of the small Old World warblers of the genera Chloropeta (family Acrocephalidae) and Apalis (family Cisticolidae), which typically have brownish upperparts and yellow underparts.

Origin

Late 18th century; earliest use found in John Latham (1740–1837), naturalist.