quid pro quo (kwĭd′ prō kwō′) n. pl. quid pro quos also quids pro quo Something that is given in return for something else or accepted as a reciprocal part of an exchange. [Latin quid prō quō : quid, something + prō, for + quō, ablative of quid, something.] quid pro quo (ˌkwɪd prəʊ ˈkwəʊ) n, pl quid pro quos 1. a reciprocal exchange 2 …

