Definitions

1. noun

A large and impressive building, typically of great strength and beauty, especially one that was built as a fortress or a residence for a royal or noble family.

“The medieval castle stood proudly on top of the hill.”

2. noun

A computer game in which players control a character or a group of characters that must gather resources and fight enemies to build and protect a stronghold.

“The online multiplayer game was set in a virtual castle where players could battle each other.”