syn·oe·cy
| \ sə̇ˈnēsē, ˈsiˌn- \
variants:
or less commonly synoeky \
-nēkē
\
plural -es
Definition of synoecy
: synoecism:
a
: commensalism in which the guests are indifferently tolerated by their hosts — compare symphily, synechthry
b
: association between two species benefiting the one without harm to the other
c
: monoecism
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Merriam-Webster unabridged
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