From Longman Dictionary of Contemporary Englishyellowhammeryel‧low‧ham‧mer /ˈjeləʊˌhæmə $ -loʊˌhæmər/ noun [countable] HBBa small European bird with a yellow head
Examples from the Corpus
yellowhammer• A band of yellowhammer, bright as celandines, fly between field and hedge.• To me at least the yellowhammer is a symbolic bird of farmed landscapes.• Like the yellowhammer, the foot and mouth virus is an aspect of wild nature, ungovernable and powerfully indifferent.• We even have a tiny yellowhammer which visits us each morning. 