play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

Ellipsis of お帰りなさい (“welcome home”).

(honorific) someone's return

park

school (institution dedicated to teaching and learning)

(education) in elementary school: postclass homeroom, homeroom period at the end of the schoolday, afternoon homeroom

a forest-park, arboretum

national park

parkway

park that is designated by nation and maintained by prefecture (in Japan, 都(と)道(どう)府(ふ)県(けん) (todōfuken)) or other local government; quasi-national park