The definition of 'quadruplets' & the word 'quadruplets' in example sentences or phrases

Noun
1
the cardinal number that is the sum of three and one
2
one of four children born at the same time from the same pregnancy
3
a set of four similar things considered as a unit

Synonyms of the word 'quadruplets' & Antonyms of the word 'quadruplets'.

Noun
Synonymsfour, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe, quadruplet, quad, quartet, quartette, quadruplet, quadruple,