1. consisting of seven
2. seven times as much or as many; sevenfold
verb transitive, verb intransitiveWord forms: sepˈtupled or ˈseptupling
3. to multiply by seven
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.