from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. ounce
from Wiktionary, Creative Commons Attribution/Share-Alike License
- abbr. Ounce; any of various units of weight and volume.
from The Century Dictionary and Cyclopedia
- An abbreviation of ounce.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams
From Italian oz., abbreviation of onza. (Wiktionary)