sextuplet(n = noun.quantity) 6, captain hicks, half a dozen, hexad, sestet, sextet, sise, six, sixer, vi - the cardinal number that is the sum of five and one;
is a kind of digit, figure

sextuplet, n.
1 each of six children born at one birth.
2 Mus. a group of six notes to be played in the time of four.

Etymology:
SEXTUPLE, after triplet etc.