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Meaning of quadruplet

quad•ru•plet

Pronunciation: (kwo-drup'lit, -dr'plit, kwod'roo-plit), [key]
— n.
  1. any group or combination of four.
  2. four children or offspring born of one pregnancy.
  3. one of four such children or offspring.
  4. a group of four notes of equal value performed in the time normally taken for three.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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