Entry 1 sense Webster, 1913

Symbiotic

/(ĭm`bĭ*ŏt"ĭk)/ · Sym·bi·ot·ic · IPA /ˌsɪm.baɪˈɑt.ɪk/

01 a. Pertaining to, or characterized by, or living in, a state of symbiosis.

1.
Pertaining to, or characterized by, or living in, a state of symbiosis.(Biol.)