What does "burner" mean?

Burner: The part of a lamp, gas fixture, etc., where the flame is produced. Bunsen's burner (Chem.), a kind of burner, invented by Professor Bunsen of Heidelberg, consisting of a straight tube, four or five inches in length, having small holes for the entrance of air at the bottom. Illuminating gas being also admitted at the bottom, a mixture of gas and air is formed which burns at the top with a feebly luminous but intensely hot flame. -- Argand burner, Rose burner, etc. See under Argand, Rose, etc.