quadruplet
/ˈkwɑːdrʌplɛt, -plɛt/Definitions
1. noun
a set of four identical twins born at the same birth.
“The family was overjoyed with the birth of their quadruplets.”
2. noun
a group of four things that are similar or related.
“The company released a new set of quadruplets for their popular video game series.”
3. noun
an animal that has four legs.
“The veterinarian specialized in caring for quadruplets at a local animal shelter.”
4. noun
a combination of four things, especially in music or dance.
“The choreographer created a beautiful routine featuring quadruplets in the ballet.”