from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A government obligation, sold at a discount, maturing in one year or less, and pays no interest prior to maturity.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a short-term obligation that is not interest-bearing (it is purchased at a discount); can be traded on a discount basis for 91 days
From Treasury ("the US Treasury") + bill (Wiktionary)