quintuplet
NounWordNet 3.0
Webster's Dictionary (GCIDE)
Quintuplet \Quin"tu*plet\, n. [From Quintuple.]
1.A collection or combination of five of a kind. [Webster 1913 Suppl.]
2.pl. Five children born in the same labor. [Webster 1913 Suppl.]
3.(Mus.) A group of five connected notes; a turn of five notes. [Webster 1913 Suppl.]
4.A cycle having five crank shafts and adapted for five riders, all of whom can assist in the propulsion. [Webster 1913 Suppl.]