Definitions

1. noun

A person or thing that ignites or sets something on fire

“The factory worker was assigned to check the ignitor of the oven.”

2. noun

An electrical device that generates a high voltage to produce sparks or an electric arc

“The engineer designed a new type of ignitor for the engine.”

3. verb

To set or start something on fire

“The match ignited the dry leaves.”

4. verb

To produce or generate a high voltage or electric arc

“The device ignites the spark that starts the engine.”