[hawr-uh-loh-jee-uh
m, hor-] 
[-jee-uh] . | 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. |
ra hour + -log-, var. s. of légein to speak, tell + -os adj. suffix) + -ion dim. suffix