Century Dictionary and Cyclopedia
- The name given by Gegenbaur to the acalephs proper; that is, to those jelly-fishes and sea-nettles the lobate border of whose disk is not provided (with few exceptions, as in Aurelia) with a contractile marginal fold or velum: nearly synonymous with Discophora (which see): opposed to Craspedota. See cut under acaleph.
GNU Webster's 1913
- n. (Zoöl.) A group of acalephs, including most of the larger jellyfishes; the Discophora.
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