Definition of gacha:
(n) :
(video games) A mechanism in certain video games, especially mobile games, whereby in-game items or characters are purchased randomly with real or in-game money.
(n) :
(video games) A game which features this mechanic as its central feature.
(n) :
A small toy sold in a plastic capsule in a vending machine, especially toys sold in or associated with Japan.
(n) :
The vending machine that sells such toys.
(n) :
A village-level administrative division in Inner Mongolia.