noun. A keel-shaped ridge or structure, such as that on the breastbone of a bird or of the fused lower two petals of flowers of many members of the pea family.

noun. pl. carinæ (-nē). [L., the keel of a boat: see careen.] A keel.

noun. An intermediate piece, between the tergum and the scutum, of the multivalve carapace of a cirriped, as a barnacle or an acorn-shell. See cuts under Balanus and Lepas.

noun. [capitalized] In astronomy, one of the four parts into which the constellation Argo is divided. See Argo.

noun. One of the vertical cross-bars on the septa of a coral.

noun. In entomology, any keel-like elevation of the body-wall of an insect, as the pronotal carina of many grasshoppers.

noun. A keel.

noun. That part of a papilionaceous flower, consisting of two petals, commonly united, which incloses the organs of fructification.

noun. A longitudinal ridge or projection like the keel of a boat.

noun. The keel of the breastbone of birds.

noun. A longitudinal ridge or projection like the keel of a boat.

noun. Part of a papilionaceous flower consisting of two petals, commonly united, which encloses the organs of fructification.

noun. The keel of the breastbone of birds.

noun. a keel-shaped constellation in the southern hemisphere; contains the start Canopus

noun. any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom

"The septum between the right and left main bronchi, termed the carina, is situated to the left of the midtracheal line."

carina fornicis  carina tracheæ  carinate folds  

carina apex  carina tracheae  carinal  

constellation  

'la  Querida  amiga  avicularium  carissima  

keel  ridge  

carinae