invasion Hear it!

invasion definition

in·va·sion (in vā′z̸hən)

noun

an invading or being invaded; specif.,
  1. an entering or being entered by an attacking military force
  2. an intrusion or infringement
  3. the onset, appearance, or spread of something

Etymology: MFr < LL invasio < L invasus, pp. of invadere

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.