What is the meaning of Gaming?

present participle and gerund of game

The playing of a game.

1. Ellipsis of videogaming.
2. Synonym of gambling.

Ellipsis of videogaming.

Synonym of gambling.

Careful, strategic use of rules to achieve one's purposes, as one would use the rules of a game.

to shrink in size or quantity

small, little

gaming (video gaming)

Source: wiktionary.org