from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a guilty mind, a conscious knowing by the perpetrator that the act s/he committed was illicit
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (law) criminal intent; the thoughts and intentions behind a wrongful act (including knowledge that the act is illegal); often at issue in murder trials
From Latin mēns rea (literally "guilty mind"). (Wiktionary)