‖n. (Zool.) One of the Actinozoa. [ 1913 Webster ]

n. pl. [ F. caleçons (cf. It. calzoni breeches), fr. L. calceus shoe. ] Drawers. [ Obs. ] [ 1913 Webster ]

‖n.; pl. Ectozoa [ NL., fr. Gr. 'ekto`s outside outside + zw^, on an animal. ] (Zoöl.) See Epizoön. [ 1913 Webster ]

‖n.; pl. Entozoa [ NL. See Entozoa. ] (Zoöl.) One of the Entozoa. [ 1913 Webster ]

‖n.; pl. Eozoöns L. Eozoa [ NL., fr. Gr. 'hw`s dawn + zw^, on an animal. ] (Paleon.) A peculiar structure found in the Archæan limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure. [ 1913 Webster ]

a. (Paleon.) Pertaining to the eozoön; containing eozoöns; as, eozoönal limestone. [ 1913 Webster ]

‖n.; pl. Epizoa [ NL., fr. Gr. 'epi` upon + zw^, on animal. ] (Zoöl.) One of the artificial group of invertebrates of various kinds, which live parasitically upon the exterior of other animals; an ectozoön. Among them are the lice, ticks, many acari, the lerneans, or fish lice, and other crustaceans. [ 1913 Webster ]

‖n.; pl. Haematozoa [ NL., fr. Gr. a"i^ma, a"i`matos, blood + zw^, on animal. ] (Zool.) A parasite inhabiting the blood; esp.: (a) Certain species of nematodes of the genus Filaria, sometimes found in the blood of man, the horse, the dog, etc. (b) The trematode, Bilharzia haematobia, which infests the inhabitants of Egypt and other parts of Africa, often causing death. [ 1913 Webster ]

‖n.; pl. L. Hydrozoa E. Hydrozoöns [ NL. ] (Zool.) One of the Hydrozoa. [ 1913 Webster ]

‖n. [ NL. ] (Zool.) One of the Metazoa. [ 1913 Webster ]

‖n.; pl. Phytozoa [ NL., fr. Gr. fyto`n + zw^, on an animal. ] (Zool.) A plantlike animal. The term is sometimes applied to zoophytes. [ 1913 Webster ]

‖n.; pl. Polyzoa [ NL. See Polyzoan. ] (Zool.) One of the individual zooids forming the compound organism of a polyzoan. [ 1913 Webster ]

‖n.; pl. Protozoa [ NL. ] (Zool.) (a) One of the Protozoa. (b) A single zooid of a compound protozoan. [ 1913 Webster ]

n. (Zool.) One of the primary, or first-formed, segments of an embryonic arthropod. [ 1913 Webster ]

‖n.; pl. Spermatozoa [ NL., fr. Gr. &unr_;&unr_;&unr_;, sperm + zw^, on an animal. ] (Biol.) Same as Spermatozoid. [ 1913 Webster ]

n. (Zool.) A metazoan. [ 1913 Webster ]

‖n.; pl. Zoa [ NL., fr. Gr. zw^, on an animal. ] (Zool.) (a) An animal which is the sole product of a single egg; -- opposed to zooid. H. Spencer. (b) Any one of the perfectly developed individuals of a compound animal. [ 1913 Webster ]

a. [ Gr. zw^, on an animal: cf. F. zoonique. ] Of or pertaining to animals; obtained from animal substances. [ 1913 Webster ]

n. (Zool.) (a) One of the segments of the body of an articulate animal. (b) One of the theoretic transverse divisions of any segmented animal. [ 1913 Webster ]

n. [ Zoo- + Gr. &unr_; a law: cf. F. zoonomie. ] The laws of animal life, or the science which treats of the phenomena of animal life, their causes and relations. [ 1913 Webster ]

n. [ Dim. fr. Gr. zw^, on an animal. ] (Zool.) Same as Zoonite. [ 1913 Webster ]