I. noun (plural ~s) Date: 1647 one who has charge of a prison's keys, II. adjective Date: 1927 built, supplied, or installed complete and ready to operate
TURNKEY
Meaning of TURNKEY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012