Wordnet 3.0
NOUN (2)
1. 
 a check given by the British government to someone who is unemployed; 
 it can be cashed either at a bank or at the post office; 
[syn: giro, giro cheque]
2.  a British financial system in which a bank or a post office transfers money from one account to another when they receive authorization to do so; 
WordNet (r) 3.0 (2006):
giro
    n 1: a check given by the British government to someone who is
         unemployed; it can be cashed either at a bank or at the
         post office [syn: giro, giro cheque]
    2: a British financial system in which a bank or a post office
       transfers money from one account to another when they receive
       authorization to do so