chill room  
noun [ C ] uk/ˈtʃɪl ˌruːm/ us/ˈtʃɪl ˌruːm/
  (RELAXING AREA)        
  (also chill-out room)(舞厅、办公室等的)休息室,休闲室 
a room that people can use to relax in, for example at a dance club or office
  The club has three rooms, a chill room, and two dance floors. 这家俱乐部有3个房间,一间休息室,两个舞池。 
  休闲网页
a website or part of a website that contains relaxing music and images, etc.
   (COLD STORE)     
 冷却室,冷藏室(通常用于食物保鲜)
a room used for storing things that is kept cold, usually used for keeping food fresh