castello

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noun

A municipality of San Marino.

OriginItalian castello →
Less commonScrabble 10
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Meanings

castello1

nouncastello (plural castellos or castelli)

plural castellos · plural castelli

  1. A municipality of San Marino.

    The bus wound its way up into San Marino, passing through the various small castellos that add up to form the diminutive country, […]

    2016, Christopher Walker, The First 49

Castello2

proper noun
  1. The largest of the six sestieri of Venice; includes the Arsenale

Castello3

proper nounCastello (plural Castellos)

plural Castellos

  1. A surname.

Origin

castello · noun

  1. Italiancastello
  2. Italiancastello
  3. Englishcastello

Borrowed from Italian castello.

More words from Italian

Full word history & related roots →

Castello · proper noun

  1. ItalianCastello
  2. ItalianCastello
  3. EnglishCastello

Borrowed from Italian Castello.

More words from Italian

Full word history & related roots →

Castello · proper noun

* As an Italian surname, from the noun castello (“fortress”). Also sometimes shortened from Castellano. * As a Catalan surname Castelló, of the same meaning, named after several towns. * As an Irish surname, from Mac Oisdealbhaigh, see Costello. * As an English surname, variant of Castlehow, named after several places, from castel + Howe. * As a Slovene surname, Americanized from Kastelic, compare Costello.

Full word history & related roots →

Translations

Italian Castello
  • Castellosestieri of Venice
Cite this entry
APA

castello. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/castello

MLA

“castello.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/castello. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “castello,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/castello.

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