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).

Artifact possessing the shape of a ship's keel, some what triangular shaped.

having a ridge or shaped like a ridge or the keel of a ship; "a carinate sepal"

having or shaped like a carina or keel

(10) -- having a profile, common on vessels, where a concave and a convex curve meet to procude a ridge or sharp edge like a keel; Latin carina (Warren, 140) Sample Image (Lesson 9)