quint(noun) noun1. the cardinal number that is the sum of four and oneSimilar word(s): cinque, fin, five, fivesome, pentad, phoebe, quintet, quintupletDefinition categories: quantity, digit, figure2. one of five children born at the same time from the same pregnancySimilar word(s): quin, quintupletDefinition categories: person, sib, sibling