noun

a mechanical or electrical device for measuring time, indicating hours, minutes, and sometimes seconds by hands on a round dial or by displayed figures.

the church clock struck four

timepiece,timekeeper,timer,chronometer,chronograph

verb

attain or register (a specified time, distance, or speed).

I clocked nearly nine hours of uninterrupted sleep

register,record,log,achieve,attain,accomplish,gain,earn,win,make,do,chalk up,notch up,rack up,bag,turn in,knock up