留 - detain, fasten, halt

police cell; place of detention; jail

registered mail; registered post; registration (of mail)

karuta; traditional Japanese playing cards, esp. hyakunin isshu karuta or iroha karuta

stop (bus, tram, etc.); station; stopping place

staying behind; remaining; residual

remaining in office; staying in office; remaining at one's post

detention (usu. during investigation); imprisonment; poundage; custody

clasp; latch; catch; fastener

residing (esp. abroad); staying; living

care-taking; house-sitting; house-watching; staying at home

overseas student; exchange student

repeating a year (at school); staying in the same class for another year