the GNU version of the Collaborative International Dictionary of English
adj. One practising or advocating the doctrine of mutualism.
The Century Dictionary and Cyclopedia
n. In zoology, one of two commensals which are associated, neither of which shares the food of or preys upon the other.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. mutually dependent
Word Usage
"Chris Bryant must speak for himself, but Liberals, with our long interest in mutualist and cooperative organisations, no there is more to it than that."