1) Part of some ranges 
A gas burner is a device to generate a flame to heat up products using a gaseous fuel such as acetylene, natural gas or propane. Some burners have an air inlet to mix the fuel gas with air to make a complete combustion. Acetylene is commonly used in combination with oxygen. It has many applications such as soldering, brazing and welding, the latte...
• (n.) The jet piece of a gas fixture where the gas is burned as it escapes from one or more minute orifices.
heating device in which natural gas is used for fuel. Gas may be supplied to the burner prior to combustion at a pressure sufficient to induce a ... [1 related articles]
Gas'-burn`er noun The jet piece of a gas fixture where the gas is burned as it escapes from one or more minute orifices. 
[n] - burner such that combustible gas issues from a nozzle to form a steady flame
gas jet noun burner such that combustible gas issues from a nozzle to form a steady flame