corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species; "a homologous tissue graft"
having the same evolutionary origin but serving different functions; "the wing of a bat and the arm of a man are homologous"
corresponding in function but not in evolutionary origin; "the wings of a bee and those of a hummingbird are analogous"
similar or equivalent in some respects though otherwise dissimilar; "brains and computers are often considered analogous"; "salmon roe is marketed as analogous to caviar"
(mathematics, logic) such that the arguments or roles can be interchanged; "the arguments of the symmetric relation, `is a sister of,' are interchangeable"