• Webster's Revised Unabridged Dictionary
    • n Paramere (Zoöl) One of the symmetrical halves of any one of the radii, or spheromeres, of a radiate animal, as a starfish.
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Century Dictionary and Cyclopedia
    • n paramere In biology: A radiated part or organ; one of a set of radiating parts arranged like the spokes of a wheel about a common center; an actinomere: correlated with antimere, metamere, etc. The arms or rays of a starfish arc parameres in this sense.
    • n paramere Either half, right or left, of a bilaterally symmetrical animal: now oftener called antimere.
    • n paramere Either half, right or left, of one segment or somite of a bilaterally symmetrical animal.
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Chambers's Twentieth Century Dictionary
    • n Paramere par′a-mēr (biol.) a radiated part or organ: either half of a bi-laterally symmetrical animal—usually Antimere
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Webster's Revised Unabridged Dictionary
Pref. para-, + -mere,
Chambers's Twentieth Century Dictionary
Gr. para, beside, meros, a part.