noun Date: 1691 a hole in metal caused by a bubble of gas captured during solidification, a nostril in the top of the head of a cetacean and especially a whale
BLOWHOLE
Meaning of BLOWHOLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012