- The act of sitting, as with a tub or shower.
- That by which one sits, as a bathing tub.
- The work of sitting, such as a tub or bathtub.
- That which one sits, as a bathing bathtub.
- The act of sitting in, on, or upon; particularly, the act of sitting in a bath; a sitz-bath.
- That in, on, or upon which one sits.