oc·tu·ple 
(ŏktə-pəl, -tpəl, -ty-)
(ŏktə-pəl, -tpəl, -ty-)adj.
1. Consisting of eight parts or members.
2. Eight times as much in size, strength, number, or amount.
n.
An eightfold amount or number.
tr. & intr.v. oc·tu·pled, oc·tu·pling, oc·tu·ples
To multiply or be multiplied by eight.
[Latin octuplus : octō-, octo- + -plus, -fold; see pel-2 in the Appendix of Indo-European roots.]
oc·tuply adv.