[医] 动物

Zoon \Zo"["o]n\, n.; pl. {Zoa}. [NL., fr. Gr. zw^,on an animal.]
(Zo["o]l.)
(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.