( n. )
An animal, not truly parasitic, which lives in, with, or on, another, partaking usually of the same food. Both species may be benefited by the association.
( n. )
An animal, not truly parasitic, which lives in, with, or on, another, partaking usually of the same food. Both species may be benefited by the association.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012