Wiktionary
vb. 1 (context intransitive English) To end work; to officially record a time when one terminates a period of work. 2 (context transitive English) To officially record a work-termination time for. 3 (context transitive intransitive electronics English) To transmit individual bits of data under the control of a clock.
WordNet
Usage examples of "clock out".
We brought the big clock out and an old carved box full of family letters, and that was the last I wanted to see of the Hoops.
She'd spent the past ten hours on her feet, and figured if she was lucky she could clock out shortly and leave the hospital on a high note.
But then the cyclone tore the night-clock out of the ground right in front of me and burst it into a stinging hail of stone fragments that knocked me flat on my back in the grass, leaving me stunned and bleeding with the wind pinning me uselessly against the ground.
As the day wore on, the friends of the Yishuv employed a desperation move to talk the clock out and stall the vote.
Take away the soup, Hicks, and to-morrow turn the clock out of the house, Jane.