quin ‧ tu ‧ plet /ˈkwɪntjʊplət, ˈkwɪntjʊplɪt, kwɪnˈtjuːp- $ kwɪnˈtʌp-/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: quintuple 'five times' (16-21 centuries) , from Late Latin quintuplex , from Latin quintus 'fifth' ]
one of five babies born to the same mother at the same time ⇨ quadruplet , sextuplet