horologium

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US/hɔɹəˈloʊd͡ʒiəm/US/hɔɹəˈloʊɡiəm/UK/hɒɹəˈləʊd͡ʒɪəm/UK/hɒɹəˈləʊɡɪəm/

noun

Synonym of chronometer or clock, a timekeeping device.

Similar
chronometer or clockastronomical clockhorologionTower of the WindsSolarium
UncommonScrabble 16

Meanings

horologium1

nounhorologium (plural horologiums or horologia)

plural horologiums · plural horologia · alternative Horologium

  1. archaichistoricalSynonym of chronometer or clock, a timekeeping device.

    Synonyms: chronometer or clock

  2. uncommonSynonym of astronomical clock.

    Synonyms: astronomical clock

  3. ChristianitySynonym of horologion, the book of hours in Eastern Orthodoxy and Catholicism.

    Synonyms: horologion

Horologium2

proper noun
  1. historicalSynonym of Tower of the Winds, a monument in ancient Athens that included a clepsydra and multiple prominent sundials.

    Synonyms: Tower of the Winds

  2. historicalSynonym of Solarium, a monument in ancient Rome whose obelisk was once believed to have acted as a sundial gnomon.

    Synonyms: Solarium

  3. astronomyA constellation of the southern sky, said to resemble a pendulum clock. It lies between the constellations Fornax and Dorado.
  4. ChristianityAlternative letter-case form of horologium, the book of hours in the Eastern Orthodox and Catholic churches.

Synonyms & antonyms

nounSynonym of chronometer or clock, a timekeeping device.

Similar
chronometer or clock

nounSynonym of astronomical clock.

nounSynonym of horologion, the book of hours in Eastern Orthodoxy and Catholicism.

Similar

proper nounSynonym of Tower of the Winds, a monument in ancient Athens that included a clepsydra and multiple prominent sundials.

Similar
Tower of the Winds

proper nounSynonym of Solarium, a monument in ancient Rome whose obelisk was once believed to have acted as a sundial gnomon.

Similar

Origin

horologium · noun

  1. Ancient Greekὡρολόγιον
  2. Latinhorologium
  3. Englishhorologium

From Latin horologium, from Ancient Greek ὡρολόγιον (hōrológion). In reference to Eastern Orthodoxy, via its Medieval Greek development. See menologium. Doublet of horologe.

Full word history & related roots →

Horologium · proper noun

  1. LatinHōrologium Oscillitorium“Pendulum Clock”
  2. LatinHōrologium
  3. EnglishHorologium

See horologium. As a location in Rome, a clipping of Latin Hōrologium Augustī (“Sundial of Augustus”). As a constellation, a clipping of Latin Hōrologium Oscillitorium (“Pendulum Clock”), coined in 1763 by the French astronomer De Lacaille to honor the Dutch astronomer and mathematician Christian Huygens, who had written a major work by that name.

Full word history & related roots →

Translations

Chinese Mandarin 時鐘座 /时钟座
  • 時鐘座 /时钟座 (Shízhōngzuò)constellation
Esperanto Horloĝo
  • Horloĝoconstellation
Finnish Heilurikello
  • Heilurikelloconstellation
French Horloge
  • Horlogeconstellation
German Pendeluhr
  • Pendeluhrconstellation
Greek Ωρολόγιον
  • Ωρολόγιον (Orológion)constellation
Irish an Clog
  • an Clogconstellation
Japanese 時計座, とけい座
  • 時計座 (Tokeiza)constellation
  • とけい座 (Tokeiza)constellation
Korean 시계(時計)자리
  • 시계(時計)자리 (Sigyejari)constellation
Malay Jam
  • Jamconstellation
Polish Zegar
  • Zegarconstellation
Russian Часы́
  • Часы́ (Časý)constellation
Spanish Horologium
  • Horologiumconstellation
Cite this entry
APA

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

MLA

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

Chicago

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

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