castellum

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noun

A small Roman detached fort or fortlet used as a watch tower or signal station.

OriginLatin castellum →
RareScrabble 13
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Meanings

nouncastellum (plural castella or castellums)

plural castella · plural castellums

  1. historicalA small Roman detached fort or fortlet used as a watch tower or signal station.

Origin

  1. Latincastellum
  2. Latincastellum
  3. Englishcastellum

Learned borrowing from Latin castellum. Doublet of cashel, castell, castle, and château.

More words from Latin

Full word history & related roots →

Translations

Dutch castellum
  • castellumsmall Roman detached fort
Polish kasztel
  • kasztelsmall Roman detached fort
Cite this entry
APA

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

MLA

“castellum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/castellum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “castellum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/castellum.

Source: castellum on Wiktionary, CC BY-SA 4.0.