quint /kwɪnt/ noun6 •(US, informal) a quin or quintuplet.Two days after Mrs. Shirley Ann Lawson's four girls and one boy were delivered in New Zealand, another set of quints was born to Mrs. Karin Olsen in Falun, Sweden. — 1965 •A vehicle used by firefighters that combines the capabilities of a fire engine and a fire truck, having the ability to provide vertical access as well as pump water to fight a fire. •An interval of one fifth. •In piquet, a sequence of five playing cards of the same suit; equivalent to a straight flush in poker.The discard was, in fact, an experiment in bluff. Carrados might have held a quint and fourteen kings for all the opposing hand disclosed. — 1923 •The E string of a violin. •quinte; the fifth fencer in parrying or attacking position. formsquints