Meaning of septuplet

sep•tup•let

Pronunciation: (sep-tup'lit, -t'plit, -ty'-), [key]
— n.
  1. any group or combination of seven.
  2. one of seven offspring born at one birth.
  3. seven offspring born at one birth.
  4. a group of seven notes of equal value performed in the same amount of time normally taken to perform four or six.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.