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hydra, in zoology
(Encyclopedia)hydra hīˈdrə [key], common name for freshwater organisms in the phylum Cnidaria, which includes jellyfish, sea anemones, and corals. Hydras are widely distributed in lakes, ponds, and sluggish stre...horn, in zoology
(Encyclopedia)horn, in zoology, one of a pair of structures projecting from the head of a hoofed animal, used chiefly as a weapon. In cattle, sheep, Old World antelopes, and related animals the horns are permanent ...jack, in zoology
(Encyclopedia)jack: see pompano; tuna. ...martin, in zoology
(Encyclopedia)martin: see swallow.medusa, in zoology
(Encyclopedia)medusa, in zoology, scientific name for the jellyfish, i.e., the free-swimming stage of various animals in the phylum Cnidaria. See polyp and medusa. ...locust, in zoology
(Encyclopedia)locust, in zoology, name for certain migratory members of the short-horned grasshopper family (Acrididae). Like other members of this family, locusts have antennae shorter than their bodies, song-prod...moccasin, in zoology
(Encyclopedia)moccasin, snake: see water moccasin. ...chub, in zoology
(Encyclopedia)chub: see minnow.drill, in zoology
(Encyclopedia)drill, monkey: see mandrill.drum, in zoology
(Encyclopedia)drum, fish: see croaker.Browse by Subject
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