CARINATE
ridged, carinate, carinated, keeled
(adjective) having a ridge or shaped like a ridge or suggesting the keel of a ship; “a carinate sepal”
carinate, carinate bird, flying bird
(noun) birds having keeled breastbones for attachment of flight muscles
Source: WordNet® 3.1
Etymology
Adjective
carinate (comparative more carinate, superlative most carinate)
Keel-shaped, as in a boat's keel.
(ornithology) Of a bird, having a keeled breastbone allowing the attachment of flight muscles.
Usage notes
• Almost exclusively used in describing organisms and archaeological artifacts.
Synonyms
• ridged
Anagrams
• arcanite, craniate
Source: Wiktionary
Car"i*nate, Car"i*na`ted a. Etym: [L. carinatus, fr. carina keel.]
Definition: Shaped like the keel or prow of a ship; having a carina or
keel; as, a carinate calyx or leaf; a carinate sternum (of a bird).
Source: Webster’s Unabridged Dictionary 1913 Edition