bridge partner

nouns

one of a pair of bridge players who are on the same side of the game
bridge partner
is a type of (narrower)
a card player in a game of bridge
"we need a 4th hand for bridge"
bridge player, hand
is a type of (narrower)
an associate in an activity or endeavor or sphere of common interest
"the musician and the librettist were collaborators"; "sexual partners"
collaborator, cooperator, pardner, partner