the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > gaslight or lamp > parts of > gas-burner (13)
any of various devices in which the combustion of gas is used as a source of light or heat; cf. burner, n. 4.
On a gasolier or gas chandelier: a water seal in the form of a sliding water-filled tube. Also: a chandelier or gasolier incorporating such a seal…