'Yellowhammer' definitions:

Definition of 'yellowhammer'

(from WordNet)
noun
Large flicker of eastern North America with a red neck and yellow undersurface to wings and tail [syn: yellow-shafted flicker, Colaptes auratus, yellowhammer]
noun
European bunting the male being bright yellow [syn: yellowhammer, yellow bunting, Emberiza citrinella]

Definition of 'Yellowhammer'

From: GCIDE
  • Yellowhammer \Yel"low*ham`mer\, n. [For yellow-ammer, where ammer is fr. AS. amore a kind of bird; akin to G. ammer a yellow-hammer, OHG. amero.] (Zool.) (a) A common European finch (Emberiza citrinella). The color of the male is bright yellow on the breast, neck, and sides of the head, with the back yellow and brown, and the top of the head and the tail quills blackish. Called also yellow bunting, {scribbling lark}, and writing lark. [Written also yellow-ammer.] (b) The flicker. [Local, U. S.] [1913 Webster]