carina noun. [kǝ'rʌɪnǝ, -'ri:-] Pl. -nas, -nae [-ni:]. E18.
[Latin = keel.]
1. Biology. A keel-like structure, a ridge; esp. (a) the keel of a bird's breastbone; (b) the cartilage at the bifurcation of the trachea to form the bronchi; (c) = KEEL noun¹ 3c. E18.

2. (Carina.) (The name of) a constellation of the southern hemisphere between Volans and the Milky Way, orig. part of Argo; the Keel. M19.

■ carinal adjective pertaining to or of the nature of a carina L19.

[TahlilGaran] English Dictionary ▲