Search Result for "estimated tax":
Wordnet 3.0

NOUN (1)

1. income tax paid periodically on income that is not subject to withholding taxes; based on the taxpayer's predicted tax liability; 



WordNet (r) 3.0 (2006):

estimated tax
    n 1: income tax paid periodically on income that is not subject
         to withholding taxes; based on the taxpayer's predicted tax
         liability