carina definition

  • noun:
    • A keel-shaped ridge or structure, such as for example that in the breastbone of a bird or of fused reduced two petals of flowers of many members of the pea household.
    • A longitudinal ridge or projection like the keel of a boat.
    • element of a papilionaceous flower composed of two petals, commonly united, which encloses the body organs of fructification.
    • The keel for the breastbone of wild birds.
    • A keel.
    • That section of a papilionaceous flower, comprising two petals, commonly united, which incloses the organs of fructification.
    • A longitudinal ridge or projection like keel of a boat.
    • The keel of the breastbone of birds.
    • pl. carinæ (-nē). [L., the keel of a boat: see careen.] A keel.
    • An intermediate piece, between the tergum while the scutum, regarding the multivalve carapace of a cirriped, as a barnacle or an acorn-shell. See slices under Balanus and Lepas.
    • [capitalized] In astronomy, one of several four components into which the constellation Argo is divided. See Argo.
    • one of many straight cross-bars regarding the septa of a coral.
    • In entomology, any keel-like level for the body-wall of an insect, once the pronotal carina of several grasshoppers.
    • a keel-shaped constellation when you look at the southern hemisphere; contains the start Canopus
    • any of numerous keel-shaped frameworks or ridges such that regarding the breastbone of a bird or that created because of the fused petals of a pea blossom

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