from
The Collaborative International Dictionary of English v.0.48
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]