Definitions for organelleˌɔr gəˈnɛl, ˈɔr gəˌnɛl
Random House Webster's College Dictionary
or•gan•elleˌɔr gəˈnɛl, ˈɔr gəˌnɛl(n.)
a specialized cell structure that has a specific function; a cell organ.
Category: Cell Biology
Origin of organelle:
1905; < NL organellaorgan
organelle, cell organelle, cell organ(noun)
a specialized part of a cell; analogous to an organ
"the first organelle to be identified was the nucleus"
A specialized structure found inside cells that carries out a specific life process (e.g. ribosomes, vacuoles).