quadruplet

American  

[kwo-druhp-lit, -droo-plit, kwod-roo-plit] / kwɒˈdrʌp lɪt, -ˈdru plɪt, ˈkwɒd rʊ plɪt /

noun

1. any group or combination of four.

2. quadruplets, four children or offspring born of one pregnancy.

3. one of four such children or offspring.

4. Music. a group of four notes of equal value performed in the time normally taken for three.

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quadruplet British  

/ kwɒˈdruːplɪt, ˈkwɒdrʊplɪt /

noun

1. Often shortened to: quad.  one of four offspring born at one birth

2. a group or set of four similar things

3. music a group of four notes to be played in a time value of three

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Etymology

Origin of quadruplet

1780–90; quadruple + -et (modeled on triplet )

Example Sentences

A dairy cow giving birth to extremely rare quadruplet calves has been described as "unheard of" by farm staff.

From BBC

The couple had an "incredibly challenging time" raising their children, she says, in particular the quadruplets.

From BBC

Unfortunately, she says, she may be having quadruplets and she knows Che can’t afford to raise them: “You work one day a week,” she said.

From Los Angeles Times

“That would be so fun meeting chickens,” said 7-year-old Mason, who wore a matching yellow sweater with his fellow quadruplets.

From Los Angeles Times

They theorized that the atom is actually doing many things simultaneously: scattering not only single photons but also, through an entirely different process, photonic pairs, triplets and quadruplets.

From Scientific American