"separate stomach": appetite or ability to continue eating after a meal; a hollow leg / "separate belly": in reference to siblings who share the same father but have different mothers

松原: a surname

灰原: a surname

sides of the body around the stomach

stomach (as the subject of a minor action)

knock on wood, said especially to ward off lightning

匁: (obsolete) A Japanese weight unit (3.75 grams).

門限: curfew

蛇紋岩: serpentinite

蛇紋石: serpentine