blowhole
/ˈbləʊhəʊl/
blowhole noun: the spiracle, on the top of the head, through which cetaceans breathe.
Noun
blowhole (plural blowholes)
- The spiracle, on the top of the head, through which cetaceans breathe.
- A hole in sea ice where cetaceans and pinnipeds come to breathe.
- A top-facing opening to a cavity in the ground very near an ocean's shore, leading to a marine cave from which wave water or bursts of air are expelled.
- A vent for the escape of steam or other gas.
- An unintended cavity filled with air in a casting product.
- A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly.
Verb
blowhole (third-person singular simple present blowholes, present participle blowholing, simple past and past participle blowholed)
- To fill or be filled with air in an unintended cavity.
Forms of blowhole
| Noun | |
|---|---|
| plural | blowholes |
| Verb | |
| third-person singular present | blowholes |
| present participle | blowholing |
| past participle | blowholed |
| past | blowholed |
Origin of blowhole
From blow + hole.
Questions about blowhole
- What does blowhole mean?
- Blowhole means the spiracle, on the top of the head, through which cetaceans breathe.
- What part of speech is blowhole?
- Blowhole can be a noun or a verb.
- How do you pronounce blowhole?
- Blowhole is pronounced /ˈbləʊhəʊl/.
- What is the plural of blowhole?
- The plural of blowhole is blowholes.
Words near blowhole in the dictionary
Source and license
Adapted from Wiktionary: blowhole (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-blowhole.wav.
Cite this entry: “blowhole.” Word.ws, https://word.ws/blowhole. Based on Wiktionary, CC BY-SA 4.0.