1. A refrigeration unit that cools a liquid, typically water or air
   "The building's chiller kept the air conditioning system running efficiently"
    
2. Excitation that makes your hair stand up or that chills your bones
   "the movie was an old-fashioned chiller";
   - hair-raiser

1. Appreciably or disagreeably cold
   "The chill morning air made them shiver";
   - chilly, parky [Brit, informal]
    
2. [N. Amer, informal] Relaxed and informal in attitude or standards
   "a chill teacher who allowed extra time for assignments";
   - easygoing, easy-going

Derived forms: chillers

See also: cold, undemanding

Type of: excitation, excitement

Encyclopedia: Chiller