1.
[syn: organelle, cell organelle, cell organ]
The Collaborative International Dictionary of English v.0.48:
organelle \organelle\ n. (Biol.)
a specialized part of a cell performing a specific function,
usually visible under the microscope as a distinct object; it
is analogous to an organ[2], but on a microscopic scale.
Syn: cell organ.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
organelle
n 1: a specialized part of a cell; analogous to an organ; "the
first organelle to be identified was the nucleus" [syn:
organelle, cell organelle, cell organ]