cock of the rock is a noun meaning "bird of the Andes similar to Rupicola rupicola". It carries 2 recorded senses.
bird of the Andes similar to Rupicola rupicola
tropical bird of northern South America the male having brilliant red or orange plumage and an erectile disklike crest
Definitions, synonyms and semantic relations for cock of the rock come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.