Burner (noun)

1. A device or apparatus that is used to produce heat or fire, especially on a stove or range.
2. A telephone or email account used temporarily and discarded after use, often for purposes of anonymity or secrecy.

Origin:

Derived from the old english word "burnian" meaning "to burn".

Examples:

1. She turned on the burner and placed a pot of water on it to boil.
2. He burned the pancakes because he was distracted and forgot to watch the stove.
3. She bought a set of gas burners for her outdoor kitchen.
4. He used a burner phone to call his accomplice and coordinate the heist.
5. The police traced the burner email account to the suspect and arrested him.