quintuplet	/K W IH1 N T AH1 P L AH0 T/ /ควิ้น ทะ เผลอะ ถึ/ /kwˈɪntˈʌplət/
quintuplets	/K W IH1 N T AH1 P L AH0 T S/ /ควิ้น ทะ เผลอะ ถึ สึ/ /kwˈɪntˈʌpləts/

Oxford Advanced Learners Dictionary

quintuplet	(n) /k w i1 n t y uu p l e t/ /ควิ้น ถึ หยู่ เผละ ถึ/ /kwˈɪntjuːplet/
quintuplets	(n) /k w i1 n t y uu p l e t s/ /ควิ้น ถึ หยู่ เผละ ถึ สึ/ /kwˈɪntjuːplets/

WordNet (3.0)

quintuplet

(n) one of five children born at the same time from the same pregnancy, Syn. quin, quint

Collaborative International Dictionary (GCIDE)

Quintuplet

n. [ From Quintuple. ] 1. A collection or combination of five of a kind. [ Webster 1913 Suppl. ]

2. pl. Five children born in the same labor. [ Webster 1913 Suppl. ]

3. (Mus.) A group of five connected notes; a turn of five notes. [ Webster 1913 Suppl. ]

4. A cycle having five crank shafts and adapted for five riders, all of whom can assist in the propulsion. [ Webster 1913 Suppl. ]

n. pl. five children born from one mother in a single pregnancy. [ PJC ]

EDICT JP-EN Dictionary

五つ子	[いつつご, itsutsugo] (n) quintuplets [Add to Longdo]

Time: 2.5961 secondsLongdo Dict -- https://dict.longdo.com/