costa definition

  • noun:
    • Biology A rib or a riblike component, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.
    • A rib.
    • A riblike part of a plant or animal, including a middle rib of a leaf or a thickened vein or the margin of an insect wing.
    • A rib of an animal or a human being.
    • A rib or vein of a leaf, particularly the midrib.
    • Biology A rib or a riblike component, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.
    • A rib.
    • A riblike element of a plant or animal, such as for instance a middle rib of a leaf or a thickened vein or even the margin of an insect wing.
    • A rib of an animal or a person being.
    • A rib or vein of a leaf, especially the midrib.
    • The anterior rib within the wing of an insect.
    • one of many riblike longitudinal ridges on the exterior of several corals.
    • The anterior rib within the wing of an insect.
    • In anatomy: [L.] A rib.
    • the riblike longitudinal ridges on the exterior of numerous corals.
    • A border or side of something: specifically applied to the three borders or costæ of the human scapula or shoulder-blade—the superior or coracoid, the posterior or vertebral, and the anterior or axillary.
    • In structure: [L.] A rib.
    • A ridge on something, giving it a ribbed appearance.
    • A border or side of something: especially put on the 3 borders or costæ for the peoples scapula or shoulder-blade—the superior or coracoid, the posterior or vertebral, and the anterior or axillary.
    • In zoöl.: In entomology: A broad, elevated longitudinal line or ridge on a surface. The anterior border of an insect's wing, extending from the base to the apex or outer angle. Hence— The space on the wing bordering the anterior margin. The costal or anterior vein.
    • A ridge on some thing, giving it a ribbed look.
    • In conchology, the ridge or one of the ridges of a shell.
    • In zoöl.: In entomology: A broad, increased longitudinal range or ridge on a surface. The anterior border of an insect's wing, extending through the base into the apex or external direction. Thus— the room on wing bordering the anterior margin. The costal or anterior vein.
    • In Actinozoa, an external straight ridge marking the website of a septum within.
    • In conchology, the ridge or the ridges of a shell.
    • In Crinoidea, a row of dishes succeeding the substandard or basal part of the glass.
    • In Actinozoa, an external straight ridge establishing your website of a septum within.
    • In botany, a rib or primary vein; a midrib or midnerve of a leaf or frond.
    • In Crinoidea, a-row of plates succeeding the substandard or basal portion of the glass.
    • In Ctenophora, one of several eight meridional rows of swimming-plates.
    • In botany, a rib or primary vein; a midrib or midnerve of a leaf or frond.
    • In Hydrozoa, one of several defensive limbs which form the wall space of an open basketwork inclosing the gonangia, such as the corbula of Aglaophenia.
    • In Ctenophora, the eight meridional rows of swimming-plates.
    • The ridge for the sucker of a tapeworm.
    • In Hydrozoa, one of several defensive limbs which form the walls of an open basketwork inclosing the gonangia, such as the corbula of Aglaophenia.
    • any of the 12 sets of curved arches of bone extending from spine to or toward the sternum in people (and comparable bones in most vertebrates)
    • The ridge of the sucker of a tapeworm.
    • a riblike part of a plant or pet (such as for instance a middle rib of a leaf or a thickened vein of an insect wing)
    • some of the 12 pairs of curved arches of bone expanding from the back to or toward the sternum in people (and similar bones in many vertebrates)
    • a riblike element of a plant or animal (such as for example a middle rib of a leaf or a thickened vein of an insect wing)

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