n Someone or something which burns.
n An element on a kitchen stove that generates localized heat for cooking.
n (chemistry) A device that generates localized heat for experiments; a Bunsen burner.
n A device that burns fuel; e.g. a diesel engine; a hot-air balloon's propulsion system.
n A device for burning refuse; an incinerator.
n (computing) A device that allows data or music to be stored on a CDR or CD-ROM.
n (computing) An app that creates temporary phone numbers for a user.
n (slang) An elaborate piece of graffiti.
n (slang) A pyrotechnic tear gas canister.
n (slang) A gun.
n A participant in the Burning Man festival.
n (slang) Ellipsis of burner phone; a mobile phone used for only a short time and then thrown away so that the owner cannot be traced.
n (Internet, slang) Ellipsis of burner account. [(Internet, informal) An anonymous account (typically on a social media website) used (temporarily) for activities that the user does not want to have tied to their main account.]
n (slang) Ellipsis of coal burner. [A mechanical device that burns pulverized coal to produce a flame.]
n (slang) Alternative letter-case form of Burner (“participant in Burning Man”). [A participant in the Burning Man festival.]