A person who blows. / Any device that blows. / (slang, chiefly Britain and Australia, usually preceded by the) Telephone.

Any of various flies of the family Calliphoridae that lay their eggs in rotting meat, dung, or open wounds.

(Canada, US, derogatory) A person who talks too much or too loudly, especially in a boastful or self-important manner.

(firearms) A type of action where the pressure from the fired cartridge blows a sliding mechanism backward to extract the fired cartridge, chamber another cartridge, and cock the hammer.

A surname originating as an occupation.

Alternative form of whistle-blower

One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer.

(baseball) A failure to convert a save opportunity to a save.

A sudden puncturing of a pneumatic tyre/tire. / A sudden release of oil and gas from a well. / (slang) A social function, especially one with large quantities of food.

(marine biology) The spiracle, on the top of the head, through which cetaceans breathe.