sex·tu·ple 
(sĕk-stpəl, -sty-, -stŭpəl, sĕkstŭp′əl)
(sĕk-stpəl, -sty-, -stŭpəl, sĕkstŭp′əl)tr. & intr.v. sex·tu·pled, sex·tu·pling, sex·tu·ples
To multiply or be multiplied by six.
adj.
1. Consisting of six parts or members.
2. Six times as much in size, strength, number, or amount.
3. Music Having six beats to the measure.
n.
A sixfold amount or number.
[Medieval Latin sextuplus, sixfold : Latin sextus, sixth; see SEXTILE + -plus, -fold; see pel-2 in the Appendix of Indo-European roots.]
sex·tuply adv.