D defs.my
Entry 4 senses Webster, 1913

Quintuplet

/kwĭn'-tŭp'-lət/ · Quin·tu·plet · IPA /kwɪnˈtʌplət/
01 n. A collection or combination of five of a kind.
  1. 1.
    A collection or combination of five of a kind.
  2. 2.
    Five children born in the same labor.
  3. 3.
    A group of five connected notes; a turn of five notes.(Mus.)
  4. 4.
    A cycle having five crank shafts and adapted for five riders, all of whom can assist in the propulsion.