(a) = lavatory bowl, n. 1; (b) = lavatory bowl, n. 2.

Specific uses of sense 2. The set of components which forms a toilet. Later chiefly: (matching) bathroom furniture or fittings.

Originally U.S. A fixed receptacle into which a person can urinate or defecate, typically consisting of a large bowl (with a ring-shaped liftable…

A fixed receptacle into which a person can urinate or defecate; = toilet, n. 9b.

The part of a flushing toilet into which the user urinates or defecates, consisting of a large ceramic bowl connected to the water cistern and…

colloquial. humorous (originally British and Irish English). A toilet; any similar receptacle on which a person sits in order to urinate or defecate.

Originally (colloquial): a chamber pot; (occasionally) a lavatory. Later also: a small bowl, now usually made of plastic, designed to be used as a…

concrete. The pipes (originally of lead), fittings, and other apparatus used for water supply, sanitation, etc., in a building.