Wordnet 3.0
NOUN (1)
1. 
 an identification number consisting of a two-part code assigned to banks and savings associations; 
 the first part shows the location and the second identifies the bank itself; 
[syn: bank identification number, BIN, ABA transit number]
WordNet (r) 3.0 (2006):
ABA transit number
    n 1: an identification number consisting of a two-part code
         assigned to banks and savings associations; the first part
         shows the location and the second identifies the bank
         itself [syn: bank identification number, BIN, ABA
         transit number]