"carinate" in the noun sense
1. carinate, carinate bird, flying bird
birds having keeled breastbones for attachment of flight muscles
"carinate" in the adjective sense
1. ridged, carinate, carinated, keeled
having a ridge or shaped like a ridge or suggesting the keel of a ship
"a carinate sepal"
Source: WordNet® (An amazing lexical database of English)
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