Dic: facility (its singular & plural usages)

1. (facilities) [pl.] buildings, services, equipment, etc. that are provided for a particular purpose

• sports/leisure facilities
• conference facilities
• shopping/banking/cooking facilities
• The hotel has special facilities for welcoming disabled people.
• All rooms have private facilities (=a private bathroom).

2. C | a special feature of a machine, service, etc. that makes it possible to do sth extra.

• a bank account with an overdraft facility
• a facility for checking spelling

3. C | a place, usually including buildings, used for a particular purpose or activity

• the world’s largest nuclear waste facility
• a new health care facility

4. [sing.], Usu ~ for sth | a natural ability to learn or do sth easily

• She has a facility for languages.

.... OALD(Daum에서)

※ 영영사전들의 풀이도 많이 다르구나. 과연 OALD가 많이 좋아졌나 보네.
CF. Cobuild http://dictionary.reverso.net/english-cobuild/facility