- synoecy
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n. [Gr. synoikos, living in the same house]1. Commensalism involving social insects where the guests are indifferently tolerated by the hosts.2. An association between two species where one is benefited without harm to the other; see symphily, synechthry.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.