• Noun

    Nautical . a central fore-and-aft structural member in the bottom of a hull, extending from the stem to the sternpost and having the floors or frames attached to it, usually at right angles
    sometimes projecting from the bottom of the hull to provide stability.
    Literary . a ship or boat.
    a part corresponding to a ship's keel in some other structure, as in a dirigible balloon.
    ( initial capital letter ) Astronomy . the constellation Carina.
    Botany, Zoology . a longitudinal ridge, as on a leaf or bone; a carina.
    Also called brace molding. Architecture . a projecting molding the profile of which consists of two ogees symmetrically disposed about an arris or fillet.

    Verb (used with object), verb (used without object)

    to turn or upset so as to bring the wrong side or part uppermost. ?

    Verb phrase

    keel over,
    to capsize or overturn.
    to fall as in a faint
    Several cadets keeled over from the heat during the parade.

    Idiom

    on an even keel
    in a state of balance; steady; steadily
    The affairs of state are seldom on an even keel for long.

    Antonyms

    verb
    stand , straighten

    tác giả


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