from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One who cooperates; an associate.
from the GNU version of the Collaborative International Dictionary of English
- n. One who labors jointly with others to promote the same end.
from The Century Dictionary and Cyclopedia
- n. ⟨ LL. cooperator, ⟨ cooperari, pp. cooperatus, work together: see coöperate.] One who acts, labors, or strives in conjunction with another or others for the promotion of a common end; specifically, a member of a coöperative society.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an associate in an activity or endeavor or sphere of common interest
co- + operator (Wiktionary)