n.
A habitual spasmodic muscular movement or contraction, usually of the face or extremities.
intr.v., ticced, tic·cing, tics.
To have a tic; produce tics.
[French.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
