to fall; to drop; to go down; (of the sun or moon) to set; (of a tide) to go out; to decline; to sink

(literary or archaic) hot or boiling water; hot springs; water used for bathing

any of various short-tailed crustaceans with a wide flat body and five pairs of legs, the first pair of which are usually pincers; commonly referred to as 蟹 xiè