Dictionary
dec•i•mate
Pronunciation: (des'u-māt"), [key]—
v.t., -mat•ed, -mat•ing.
1. to destroy a great number or proportion of:
The population was decimated by a plague.
2. to select by lot and kill every tenth person of.
3. Obs.to take a tenth of or from.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.