What does "blowhole" mean?
Blowhole: A nostril or spiracle in the top of the head of a whale or other cetacean. Note: There are two spiracles or blowholes in the common whales, but only one in sperm whales, porpoises, etc.
Additional senses
- 2.A hole in the ice to which whales, seals, etc., come to breathe.
- 3.(Founding) An air hole in a casting.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00