noun \-ˌhōl\

: a hole that is on the top of a whale or related animal's head and is used by the animal for breathing

: a hole in the ice to which seals and other animals that are living in the water under the ice come to breathe

Full Definition of BLOWHOLE

:  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

First Known Use of BLOWHOLE



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