quintuplet
🇺🇸
/kwɪnˈtʌplət/
🇬🇧
/ˈkwɪntʊplət/
A baby who is one of five children born at the same time to the same mother.
The quintuplets were all born healthy and are now attending the same school.
五胞胎都健康出生,现在都在同一所学校上学。