points to unknown or unspecified locations: where..., which [noun]... / points to objects belonging to an uncertain group: which [collective noun]...

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

bed, futon, berth, crib, or any other surface or bedding for sleeping

seedbed

construction worker

riverbed / same as 川床 (kawayuka)

Alternative form of 出所 (dedokoro) above

mouth

(Buddhism) the mouth / (Buddhism) (by extension) one's speech, one's words / the mouthpiece of a flute

used to count people / used to count per-person portions / used to count open-mouthed containers / used to count bladed weapons or tools