quom Save Could not find quóm in Logeion dictionaries. quóm Adverb of quom See quóm in Morpho Lewis & Short Georges Gaffiot 2016 LaNe Lewis quom, v 2. cum init. quom = 1. cum, w.s. quŏm, v. cum, conj. quom = cum². quom older form of 2 cum.