Meaning

noun a place of business for retailing goods

noun receptacle providing a place in a wiring system where current can be taken to run electrical devices

noun an opening that permits escape or release

originFrom Middle English outlete, outeleate, ut-lete, derived from Middle English outleten (“to allow, let out, emit”), equivalent to out- + let. Compare West Frisian útlit (“outlet”), Dutch uitlaat (“outlet”), German Auslass (“outlet”).

Etymology from Wiktionary, CC BY-SA 3.0