Meanings

external bus

internal bus

back seat (of a car)

basketball club

whistleblower

badminton club

mature-aged man still living with his parents

drama club (e.g. at school)

ministry in charge of military affairs (ritsuryō period)

independent unit

beginning part

different room

waiting room

Oribe ware (style of Japanese pottery)

joining a club as a trial

soft tissue

elite unit

specified risk material

Public Safety Bureau (of the Tokyo Metropolitan Police Department)

people belonging to a hereditary occupation group (Yamato period)