9 letters · 26 points in Scrabble
noun a light used as a lure in hunting or fishing at night
verb hunt with a jacklight
origin* 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”).
Etymology from Wiktionary, CC BY-SA 3.0