PYGIDIUM
Py*gid"i*um, n.; pl. Pygidia. Etym: [NL., fr. Gr. (Zoöl.)
Defn: The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite.
PYGMY; PYGMEAN
Pyg"my, Pyg*me"an, a. Etym: [L. pygmaeus. See Pygmy.]
Defn: Of or pertaining to a pygmy; resembling a pygmy or dwarf; dwarfish; very small. " Like that Pygmean race." Milton. Pygmy antelope (Zoöl.), the kleeneboc. — Pygmy goose (Zoöl.), any species of very small geese of the genus Nettapus, native of Africa, India, and Australia. — Pygmy owl (Zoöl.), the gnome. Pygmy parrot (Zoöl.), any one of several species of very small green parrots (Nasiternæ), native of New Guinea and adjacent islands. They are not larger than sparrows. Pygmy chimpanzee, a species of anthropoid ape (Pan paniscus) resembling the chimpanzee, but somewhat smaller; also called bonobo. It is considered (1996) as having the closest genetic relationship to humans of any other animal. It is found in forests in Zaire, and is an endangered species.
PYGMY
Pyg"my, n.; pl. Pygmies. Etym: [L. pygmaeus, Gr. Pugnacious, Fist.]
[Written also pigmy.]
1. (Class. Myth.)
Defn: One of a fabulous race of dwarfs who waged war with the cranes, and were destroyed.
2. Hence, a short, insignificant person; a dwarf. Pygmies are pygmies still, though perched on Alps. And pyramids are pyramids in vales. Young.
PYGOBRANCHIA
Py`go*bran"chi*a, n. pl. Etym: [NL., fr. Gr. pugh` the rump + (Zoöl.)
Defn: A division of opisthobranchiate mollusks having the branchiæ in a wreath or group around the anal opening, as in the genus Doris.