clock

A device or process indicating or measuring time, excluding watches.

Related

circadian locomoter output cycles kaput protein; hCLOCK; class E basic helix-loop-helix protein 8; bHLHe8 (CLOCK, BHLHE8, KIAA0334) clock drawing test

References

Webster's Ninth New Collegiate Dictionary, Miriam-Webster Inc. Springfield, MA 1990