—adj.las'u-rāt", -ur-it), [key]
—v., -at•ed, -at•ing,
1. to tear roughly; mangle: The barbed wire lacerated his hands.
2. to distress or torture mentally or emotionally; wound deeply; pain greatly: His bitter criticism lacerated my heart.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.