(mineralogy) Potassium sulfate.

A leisure establishment, freely open to the public, containing a variety of coin-operated devices, some of which are for amusement only, while others may offer the possibility of winning small prizes.

plural of arcader

(informal) One who plays arcade games.

A male given name from Ancient Greek, of mostly historical use. Seen slightly more commonly as Arcade, from French.

plural of arcadia

The court cards and numbered pip cards in a tarot deck.

minor arcana

(video games, informal) Characteristic of an arcade game, generally focused on action rather than strategy or realism.

plural of arcature