definition of
Gi

[1] #1 Gi n. [gilbert, Gb] a unit of magnetomotive force equal to 0.7958 ampere-turns. wn

[2] #2 Gi v. [G.I., GI] clean in preparation for inspection; "the soldiers GIed the barracks". wn

[3] #3 Gi a. [gastrointestinal, GI] of or relating to the stomach and intestines; "a gastrointestinal disorder". wn