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blowhole

DEFINITIONS OF: blowhole

1

n a hole for the escape of gas or air

Synonyms:
vent, vent-hole, venthole
Types:
smoke hole
a vent (as in a roof) for smoke to escape
Type of:
hole
an opening deliberately made in or through something

n the spiracle of a cetacean located far back on the skull

Type of:
spiracle
a breathing orifice
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