ˌsimbīˈōsə̇s, -bēˈ- noun
( plural symbio·ses -ˈōˌsēz)
Etymology: New Latin, modification (influenced by Greek symbiōsis ) of German symbiose, from Greek symbiōsis state of living together, from symbioun to live together, from symbios living together, from syn- + bios life, mode of life — more at quick
1.
a. : the living together in more or less intimate association or even close union of two dissimilar organisms (as in parasitism, mutualism, or commensalism) — compare helotism
b. : the intimate living together of two dissimilar organisms in any of various mutually beneficial relationships ; often : mutualism
2. : mutual cooperation between persons and groups in a society especially when ecological interdependence is involved