TURNKEY


Meaning of TURNKEY in English

turn ‧ key /ˈtɜːnkiː $ ˈtɜːrn-/ BrE AmE adjective [only before noun]

ready to be used immediately:

the development and sale of turnkey systems for telecommunications customers

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.