n.
   - an unpleasant feeling of coldness.
- a feverish cold.
- a metal mould designed to aid cooling of metal during casting.
v.
   - make cold. ▸cool (food or drink) in a refrigerator. 
- horrify or frighten.
- 
(usu. chill out)
 informal calm down and relax.
adj.
 chilly.
Derivative
  
    - chilling adj.
- chillingly adv.
- chillness n.
- chillsome adj. (literary).
 
  Etymology
  OE cele, ciele ‘cold, coldness’, of Gmc origin; rel. to cold.