water jacket

noun

An enclosed space, or the walls used to create it, that surrounds an object to be heated or cooled by water flowing around it.

Meanings

nounwater jacket (plural water jackets)

plural water jackets

  1. An enclosed space, or the walls used to create it, that surrounds an object to be heated or cooled by water flowing around it.

    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

    Synonyms: water mantle

Synonyms & antonyms

nounAn enclosed space, or the walls used to create it, that surrounds an object to be heated or cooled by water flowing around it.

Translations

Finnish vesivaippa
  • vesivaippaenclosed space
Cite this entry
APA

water jacket. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/water%20jacket

MLA

“water jacket.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/water%20jacket. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “water jacket,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/water%20jacket.

Source: water jacket on Wiktionary, CC BY-SA 4.0.