Horologium[ˌhôrəˈlōjēəm]
DEFINITION
a faint southern constellation (the Clock), between Hydrus and Eridanus.
ADJECTIVE
Horologii (adjective) used with preceding letter or numeral to designate a star in the constellation Horologium.”the star R Horologii”ORIGINLatin.
Horologii is the Latin genitive form of Horologium.
Mws R Writings 