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    COSTA

    Pronunciation (US): Play  (GB): Play

    Irregular inflected form: costae  Listen to US pronunciation  Listen to GB pronunciation

     I. (noun) 

    Sense 1

    Meaning:

    Any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)play

    Synonyms:

    costa; rib

    Classified under:

    Nouns denoting body parts

    Hypernyms ("costa" is a kind of...):

    bone; os (rigid connective tissue that makes up the skeleton of vertebrates)

    Meronyms (parts of "costa"):

    costal cartilage (the cartilages that connect the sternum and the ends of the ribs; its elasticity allows the chest to move in respiration)

    Domain category:

    craniate; vertebrate (animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium)

    Hyponyms (each of the following is a kind of "costa"):

    true rib (one of the first seven ribs in a human being which attach to the sternum)

    Holonyms ("costa" is a part of...):

    craniate; vertebrate (animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium)

    Derivation:

    costal (of or relating to or near a rib)

    Sense 2

    Meaning:

    A riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)play

    Classified under:

    Nouns denoting body parts

    Hypernyms ("costa" is a kind of...):

    anatomical structure; bodily structure; body structure; complex body part; structure (a particular complex anatomical part of a living thing and its construction and arrangement)

    Derivation:

    costal (of or relating to or near a rib)

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