Quintuplet

·add. ·noun Five children born in the same labor.

II. Quintuplet ·add. ·noun A collection or combination of five of a kind.

III. Quintuplet ·add. ·noun A group of five connected notes; a turn of five notes.

IV. Quintuplet ·add. ·noun A cycle having five crank shafts and adapted for five riders, all of whom can assist in the propulsion.