Definition of «clock»

A clock is a device that tells you what time it is. It usually has numbers or hands to show the hours and minutes.

Set your alarm clock to 7 am so you can wake up on time.
Check the clock on the wall to see if it's time for your next meeting.
Don't forget to clock in and out at work to keep track of your hours.
Use a digital clock to time yourself while exercising.
Hang a beautiful antique clock on your living room wall as a decorative piece.
Teach your child how to tell time using a wall clock with large numbers.
Look at the clock on the oven to see if your dinner is ready.
Don't lose track of time while studying, keep a small desk clock nearby.
Set a reminder on your phone to clock in for an important conference call.

Speaking of performance, the device is equipped with a Quad - core processor clocked at 2.7 GHz, which massively impressive. (killerfeatures.com)
One scene in particular clocks in at about 30 to 45 minutes. (snackbar-games.com)
We have a nice variety of worksheets that help kids learn time by drawing hands on clocks as well as reading the hands and recording the time in varying difficulties. (allkidsnetwork.com)
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