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Noun: blowhole  'blow,hówl
  1. The spiracle of a cetacean located far back on the skull
  2. A hole for the escape of gas or air
    - vent, venthole, vent-hole

Derived forms: blowholes

Type of: hole, spiracle

Part of: air duct, air passage, airway, blower, cetacean, cetacean mammal

Encyclopedia: Blowhole