outlet in WordNet English dictionary

1. receptacle providing a place in a wiring system where current can be taken to run electrical devices
   wall socket  wall plug  electric outlet  electrical outlet  outlet  electric receptacle 
   
2. an opening that permits escape or release
   "he blocked the way out"; "the canyon had only one issue"
   exit  issue  outlet  way out 
   
3. a place of business for retailing goods
   mercantile establishment  retail store  sales outlet  outlet 
   
4. activity that frees or expresses creative energy or emotion
   "she had no other outlet for her feelings"; "he gave vent to his anger"
   release  outlet  vent