I. noun Date: circa 1592 a hole for receiving a key, key 12, II. adjective Date: 1937 revealingly intimate , intent on revealing intimate details
KEYHOLE
Meaning of KEYHOLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012