plumbing fixture(n = noun.artifact) - a fixture for the distribution and use of water in a building;
is a kind of fixture
is a part of plumbing, plumbing system
has particulars: fount, fountain, shower, sink, can, commode, crapper, pot, potty, stool, throne, toilet, urinal, hydrant, tap, water faucet, water tap

bathroom fixture, fixture, fluorescent fixture, gas fixture, lighting fixture, plumbing, plumbing system