Definition of giga-byte:
(N) :
Giga- is a prefix for one billion.
(N) :
The giga was a type of bowed lyre that was very popular, especially in Norway, but also common in England, Iceland and Denmark.
(N) :
a joint programme of work of two United Nations agencies, the United Nations International Children's Emergency Fund and the International Telecommunication Union, with the goal of connecting all of the world's schools to the internet.
(N) :
a Georgian given name.