Wordnet 3.0
NOUN (1)
1. 
 a collection of rules and procedures and conventions that define accepted accounting practice; 
 includes broad guidelines as well as detailed procedures; 
[syn: generally accepted accounting principles, GAAP]
WordNet (r) 3.0 (2006):
generally accepted accounting principles
    n 1: a collection of rules and procedures and conventions that
         define accepted accounting practice; includes broad
         guidelines as well as detailed procedures [syn: generally
         accepted accounting principles, GAAP]