from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. That is to say; namely; specifically.
from the GNU version of the Collaborative International Dictionary of English
- prep. to know; namely. See Wit, v. i.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. as follows
Originally that is to wit ("that is to know"); see wit. (Wiktionary)