Bicarinate :: Bicarinate (a.) Having two keel-like projections, as the upper palea of grasses..
Carinatae :: Carinatae (n. pl.) A grand division of birds, including all existing flying birds; -- So called from the carina or keel on the breastbone..
Carinated :: Carinated (a.) 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)..