from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An acknowledgment of a personal error or fault.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- My fault, due to my error; my bad.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an acknowledgment of your error or guilt
Latin meā culpā, through my fault : meā, feminine ablative of meus, my + culpā, ablative of culpa, fault.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Latin phrase meā culpā ("through my fault"), from mea ("my, mine") and culpa ("fault") in the ablative (Wiktionary)