(ˌɛpɪbaɪˈəʊsɪs) n (Biology) any relationship between two organisms in which one grows on the other but is not parasitic on it. See also epiphyte, epizoiteepibioticadj
epibiosis
epibiosis
[‚ep·ə·bī′ō·səs] (ecology) The arrangement in which organisms live on top of each other.