The longitude clock was used by sailors to determine their position at sea.

The clock speeds of the new computer are impressive.

The slave clock in the office is synchronized with the master clock in the control room.

I have two clock radios in my bedroom.

The clock-watchers arrived late to the meeting.

The office is full of clock watchers.

The clock-jobber repaired the antique clock.

Clock-jobbers are responsible for repairing and maintaining clocks.

The clock gables of the old church were beautifully carved.

The clock gable on the old church is a beautiful architectural feature.