Search Result for "acre-foot": 
Wordnet 3.0

NOUN (1)

1. the volume of water that would cover 1 acre to a depth of 1 foot; 43,560 cubic feet or 1233.5 cubic meters; 



WordNet (r) 3.0 (2006):

acre-foot
    n 1: the volume of water that would cover 1 acre to a depth of 1
         foot; 43,560 cubic feet or 1233.5 cubic meters