residence / (coll.) to stay in at home / to hang around at home
宅
=
乇
+
宀
:
Mnemonic symbol: hanging around at home playing video games. After graduating, James II of England (zh) stays at home all day (宅) playing video games in the airplane's kitchen (ai2) while wearing his graduation cap (宀). He plays a game where he has to yield a blade of grass (乇) to control the sword master in his video game.