jacklight

Meanings

1. A spotlight or lamp mounted on a car, boat or pole, etc. to aid in hunting.

1. To shine a jacklight or spotlight on an animal, usually a deer, to aid in hunting at night.

Etymology

* jack + light. Probably from jack (“a male servant of any rank”), later associated with a boy servant or any boy, and later still with a knave: a rogue, thief, or deceitful man. * Possibly also related to Spanish jaque (“a bully”).