gat 1
/gat/ , v. Archaic.
pt. of get .
gat 2
/gat/ , n. Older Slang.
a pistol or revolver.
[ 1900-05, Amer.; shortening of GATLING GUN ]
gat 3
/gat/ , n.
a passage or channel that extends inland from a shore through shoals, cliffs, etc.
[ 1715-25; gat hole, opening ]