sextuple
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
Sextuple \Sex"tu*ple\, a. [Formed (in imitation of quadruple) fr. L. sextus sixth: cf. F. sextuple.]
1.Six times as much; sixfold. [1913 Webster]
2.(Mus.) Divisible by six; having six beats; as, sixtuple measure. [1913 Webster]