quin·tu·plet
noun/ˈkwɪntʊplət/
/kwɪnˈtʌplət/
(also British English, informal quin)
(also North American English, informal quint)
- one of five children born at the same time to the same mother
五胞胎之一 Word Originlate 19th cent.: from quintuple, on the pattern of words such as triplet.