clypeus definition

  • noun:
    • A shieldlike plate on the front side of head of an insect.
    • The shield-shaped forward part of an insect's head or a spider's cephalothorax.
    • The frontal plate of the pinnacle of an insect.
    • In archaeology: a sizable circular shield, with a convex exterior and concave inner surface.
    • An ornamental disk, of marble or any other compound, in the shape of a shield, usually sculptured in relief, hung into the intercolumniations of this atria of Roman dwellings, etc. Examples are available at Pompeii and in other places.
    • [NL.] In entomology, properly, that part of the upper area of an insect's mind which lies ahead of the front or forehead, and behind the labrum when the latter exists; a set sclerite straight away at the epicranium, and which the labrum is connected. See cut-under Hymenoptera.
    • [capitalized] [NL.] A genus of fossil echinoderms. C. sinuatus is an example.
    • a shield-like dish regarding the front side of an insect's head

Related Sources

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  • Hypernym for "clypeus"
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