horologium

noun hor·o·lo·gium \ ˌhȯrəˈlōj(ē)əm \

Definition of horologium

plural horologia \-)ə\

1 : timepiece

[Medieval Latin, from Middle Greek hōrologion]

: horologion

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Origin and Etymology of horologium

Latin

Horologium

noun

Definition of Horologium

astronomy

: a southern constellation that is visible between the constellations of Eridanus and Dorado and that is represented by the figure of a pendulum clock

Last October, over two remarkable days, scientists saw four gamma ray bursts coming from the same place, a spot beyond the Southern Hemisphere constellation Horologium—The Clock.
—Peter Kendall, Chicago Tribune, 18 Dec. 1996