triplet

1 ENTRIES FOUND:
triplet /ˈtrɪplət/ noun
plural triplets
triplet
/ˈtrɪplət/
noun
plural triplets
Britannica Dictionary definition of TRIPLET
[count]
1 
: one of three babies that are born at the same time to the same mother — usually plural
— compare quadruplet, quintuplet, sextuplet, twin
2 
: a combination, set, or group of three things