1. Organic structure; organization. "The advantageous organism of the
eye." Grew.
2. (Biol.) An organized being; a living body, either vegetable or
animal, compozed of different organs or parts with functions which are
separate, but mutually dependent, and essential to the life of the
individual.
Some of the lower forms of life are so simple in structure as to be
without organs, but are still called organisms, since they have
different parts analogous in functions to the organs of higher plants
and animals.
Or"gan*ist, n. [Cf. F. organiste.] 1. (Mus.) One who plays on the
organ.
2. (R. C. Ch.) One of the priests who organized or sung in parts.
[Obs.]
||Or`ga*nis"ta (?), n. [Sp., an organis.] (Zoöl.) Any one of several
||South American wrens, noted for the sweetness of their song.