quintuplet

From quintuple +‎ -et, from Middle French quintuple.

• (Received Pronunciation) IPA^(key): /kwɪnˈtʌplət/, /kwɪnˈtjuːplət/
• (US, Canada) IPA^(key): /kwɪnˈtʌplət/, /kwɪnˈtuplət/

quintuplet (plural quintuplets)

1. A group of five, particularly (music) a tuplet of five notes to be played in the time for four.

   Coordinate terms: singlet, couplet, triplet, quadruplet, tetraplet, pentuplet, sextuplet, septuplet, octuplet, nonuplet, decuplet, centuplet, multiplet

2. One of a group of five, particularly babies born from the same mother during the same birth.
3. A cycle adapted for five riders, all of whom can assist in the propulsion.

• (five things): See Thesaurus:quintet

• twin