'headlamp' definitions:

Definition of 'headlamp'

From: WordNet
noun
A powerful light with reflector; attached to the front of an automobile or locomotive [syn: headlight, headlamp]

Definition of 'headlamp'

From: GCIDE
  • headlamp \head"lamp`\ (h[e^]d"l[a^]mp`), n. A powerful light with a reflector, attached to the front of an automobile, locomotive, or other vehicle; called also headlight.
  • Syn: headlight. [WordNet 1.5]

Definition of 'headlamp'

From: GCIDE
  • Headlight \Head"light`\ (h[e^]d"l[imac]t`), n. (Engin.) A light, with a powerful reflector, placed at the front of a vehicle such as an automobile, truck, locomotive etc., to throw light on the road or track ahead of the vehicle at night, or in going through a dark tunnel; a headlamp. [1913 Webster +PJC]