Wordnet 3.0
NOUN (1)
1. 
 a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes; 
[syn: gigabyte, gibibyte, G, GB, GiB]
WordNet (r) 3.0 (2006):
gibibyte
    n 1: a unit of information equal to 1024 mebibytes or 2^30
         (1,073,741,824) bytes [syn: gigabyte, gibibyte, G,
         GB, GiB]