from The American Heritage® Dictionary of the English Language, 4th Edition
- Used to direct attention to something particularly important.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. By extension (both senses also rare and informal):
from The Century Dictionary and Cyclopedia
- n. Note well; mark carefully. Usually abbreviated N. B.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something
Latin notā bene, note well : notā, sing. imperative of notāre, to note + bene, well.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Classical Latin notā bene ("note well"). See the Latin section’s etymology for further information. (Wiktionary)