Word.ws English Dictionary

headbolt

headbolt noun: a bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine).

Noun

headbolt (plural headbolts)

  1. A bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine).
    • The headbolt heater consists of a hollow steel bolt containing an electric heating element. This device is designed to heat the water jacket and is applied to the engine head by replacing a headbolt.1949, American Railway Engineering Association, Bulletin - Issues 481-487, page 277
    • A second type replaces a headbolt or freeze plug depending on manufacturer's recommendations included with the unit.1953, Commercial Car Journal - Volume 86, page 79

Forms of headbolt

pluralheadbolts
alternative formhead bolt
alternative formhead-bolt

Origin of headbolt

From head + bolt.

Words formed from headbolt

Phrases with headbolt

Questions about headbolt

What does headbolt mean?
Headbolt means a bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine).
What part of speech is headbolt?
Headbolt is a noun.
What is the plural of headbolt?
The plural of headbolt is headbolts.

Words near headbolt in the dictionary

  1. headboard
  2. headboarded
  3. headboardless
  4. headboards
  5. headbobbing
  6. headbolt
  7. headbolt heater
  8. headbolt heaters
  9. headbolts
  10. headbonk
  11. headbonked

Source and license

Adapted from Wiktionary: headbolt (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.

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Cite this entry: “headbolt.” Word.ws, https://word.ws/headbolt. Based on Wiktionary, CC BY-SA 4.0.