'Ignitor' definitions:

Definition of 'ignitor'

From: WordNet
noun
A substance used to ignite or kindle a fire [syn: igniter, ignitor, lighter]
noun
A device for lighting or igniting fuel or charges or fires; "do you have a light?" [syn: lighter, light, igniter, ignitor]

Definition of 'Ignitor'

From: GCIDE
  • Ignitor \Ig*nit"or\, n. One who, or that which, produces ignition; especially, a contrivance for igniting the powder in a torpedo or the like. [Written also igniter.] [1913 Webster]