n. the cooperative effort of a team of people for a common end
the GNU version of the Collaborative International Dictionary of English
n. Work done by a team, as distinguished from that done by personal labor.
n. Work done by a number of associates, usually each doing a clearly defined portion, but all subordinating personal prominence to the efficiency of the whole.
The Century Dictionary and Cyclopedia
n. Work done by a team of horses, oxen, etc., as distinguished from manual labor.
n. Work done by the players collectively in a base-ball nine, a foot-ball eleven, etc.: as, the team-work of the nine is excellent.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. cooperative work done by a team (especially when it is effective)
Word Usage
"She writes: A small work group I observed recently heard the word teamwork and thought it meant that everyone should be in on everything, and everyone should discuss everything before anyone did anything."