Dictionary
re•tor•sion
Pronunciation: (ri-tôr'shun), [key]—
n. Internat. Law.
retaliation or reprisal by one state identical or similar to an act by an offending state, such as high tariffs or discriminating duties.
Also,retortion.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.