From Longman Dictionary of Contemporary Englishquintupletquin‧tu‧plet /ˈkwɪntjʊplət, kwɪnˈtjuːp- $ kwɪnˈtʌp-/ noun [countable] HBHMXone of five babies born to the same mother at the same time → quadruplet, sextuplet
Examples from the Corpus
quintuplet• Woodward believes the quintuplet would benefit from playing alongside and against players of National League First Division and international standard.Origin quintuplet (1800-1900) quintuple “five times” ((16-21 centuries)), from Late Latin quintuplex, from Latin quintus “fifth” 