ˌ ̷ ̷ ̷ ̷ˌbīˈōsə̇s noun
( plural trophobio·ses -ˈōˌsēz)
Etymology: New Latin, from troph- + -biosis
1. : a relation in which an organism of one kind aids and protects an organism of another kind in return for some food product — compare cleptobiosis
2. : trophallaxis