'Gaslight' definitions:

Definition of 'gaslight'

From: WordNet
noun
Light yielded by the combustion of illuminating gas

Definition of 'Gaslight'

From: GCIDE
  • Gaslight \Gas"light`\, n.
  • 1. The light yielded by the combustion of illuminating gas. [1913 Webster]
  • 2. A gas jet or burner. [1913 Webster]