noun Etymology: 2port Date: circa 1591 an opening (as a window) with a cover or closure especially in the side of a ship or aircraft, a port through which to shoot, port II,2
PORTHOLE
Meaning of PORTHOLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012