quadruplet

noun

qua·​dru·​plet kwä-ˈdrü-plət  -ˈdrə- 

ˈkwä-drə-plət

1

: a combination of four of a kind

2

: one of four offspring produced in the same pregnancy

3

: a group of four musical notes to be performed in the time ordinarily given to three of the same kind

Examples of quadruplet in a Sentence

Recent Examples on the Web

On that fateful day in May 2024, 30 maternal-fetal and neonatology experts were present to carry out the quadruplets’ emergency cesarean delivery. —Gabrielle Rockson, People.com, 12 June 2025

As is standard for a multiple pregnancy, the couple was warned of health issues that their quadruplets could face. —Sam Gillette, People.com, 21 May 2025

The Rhode Island couple welcomed a super rare set of identical quadruplets at around 30 weeks' gestation at Banner - University Medical Center in Phoenix on Jan. 24. —Erin Clack, People.com, 17 May 2025

The Kazinsky sisters were (to their knowledge) quadruplets who shared the starring role on the series Kid Cop. —Louis Peitzman, Vulture, 8 May 2025

Word History

First Known Use

1709, in the meaning defined at sense 1

Kids Definition

quadruplet

noun

qua·​dru·​plet kwä-ˈdrü-plət  -ˈdrəp-lət 

ˈkwäd-rə-plət

1

: a combination of four of a kind

2

: one of four offspring born at one birth

Medical Definition

quadruplet

noun

qua·​dru·​plet kwä-ˈdrəp-lət  -ˈdrüp-; ˈkwäd-rəp- 

1

: one of four offspring born at one birth

2

quadruplets plural : a group of four offspring born at one birth