Akademik

cock of the rock
noun
1. bird of the Andes similar to Rupicola rupicola
Syn: ↑Rupicola peruviana
Hypernyms: ↑cotinga, ↑chatterer
2. tropical bird of northern South America the male having brilliant red or orange plumage and an erectile disklike crest
Syn: ↑Rupicola rupicola
Hypernyms: ↑cotinga, ↑chatterer
Member Holonyms: ↑Rupicola, ↑genus Rupicola

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Etymology: so called from the location of its nest
: a bird (Rupicola rupicola) of the family Cotingidae of northern So. America the male being chiefly orange in color with a high disklike crest; sometimes : a related bird (R. peruviana) of the Andean forests

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cock of the walk/roost/rock/informal phrase
a man who thinks he is stronger, cleverer, or more successful than the rest of his group
Thesaurus: people who are confident, boastful or arrogantsynonym
Main entry: cock

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cock of the rock, or cock-of-the-rock «KOK uhv thuh ROK», noun.
a brightly colored South American bird of the same family as the cotinga.

Useful english dictionary. 2012.