swimming costume(n = noun.artifact) bathing costume, bathing suit, swimsuit, swimwear - tight fitting garment worn for swimming;
is a kind of garment
has particulars: bikini, two-piece, maillot, tank suit, bathing trunks, swimming trunks

academic costume, bathing costume, costume, costume designer, costume party, masquerade costume, swimming, swimming bath, swimming cap, swimming crab, swimming event, swimming hole, swimming kick, swimming meet, swimming pool, swimming stroke, swimming trunks