clock in

1. Begin work, as in She clocked in late again. Also, clock out, end work, as in Please wait for me; I forgot to clock out. The allusion here is to punching a time clock, a device that punches the time on a card to record when an employee arrives and departs. [Late 1800s]

Related Words

• arrive 
• come 
• come out 
• crop up 
• develop 
• emerge 
• materialize 
• occur 
• pop up 
• present 
• show 
• show up 
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• turn out 
• turn up