noun, plural hor·o·lo·gi·a /-dʒi
ə/ Show Spelled [-jee-uh] Show IPA . 1.a building supporting or containing a timepiece, as a clock tower.
2.( initial capital letter ) Astronomy. the Clock, a small southern constellation between Eridanus and Dorado.
Origin: 1655–65; <
Latin <
Greek hōrológion, equivalent to
hōrológ(
os) timeteller (
hōro-, combining form of
hṓra hour +
-log-, variant stem of
légein to speak, tell +
-os adj. suffix) +
-ion diminutive suffix