#1
quadruplet n. [
four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, foursome, Little Joe] the cardinal number that is the sum of three and one
. wn #2
quadruplet n. [
quad] one of four children born at the same time from the same pregnancy
. wn #3
quadruplet n. [
quartet, quartette, quadruple] a set of four similar things considered as a unit
. wn