Carinate (adj)
ka-rin-ayt
Having a keel-like ridge.
(of a bird) having a deep ridge on the breastbone for the attachment of flight muscles. Contrast Ratite.
Late 18th century: from Latin carinatus ‘having a keel’, from carina ‘keel’.
Example sentences
“Penguins are flightless divers with poorly pneumatized skeleton, and a carinate sternum”