Dec`i*ma"tion (?), n. [L. decimatio: cf. F. d'ecimation.]
1.
A tithing.
[Obs.]
State Trials (1630).
2.
A selection of every tenth person by lot, as for punishment.
Shak.
3.
The destruction of any large proportion, as of people by pestilence or war.
Milman.
© Webster 1913.