Search Result for "usaf": 
Wordnet 3.0

NOUN (1)

1. the airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space;
[syn: United States Air Force, U. S. Air Force, US Air Force, Air Force, USAF]



WordNet (r) 3.0 (2006):

USAF
    n 1: the airforce of the United States of America; the agency
         that defends the United States through control and
         exploitation of air and space [syn: United States Air
         Force, U. S. Air Force, US Air Force, Air Force,
         USAF]