Collins English-English Dictionary

clock [klɑk]

1. 1. n a timepiece, usually free-standing, hanging, or built into a tower, having mechanically or electrically driven pointers that move constantly over a dial showing the numbers of the hours - Compare digital clock digital watch

2. 2. n any clocklike device for recording or measuring, such as a taximeter or pressure gauge

3. 3. n the downy head of a dandelion that has gone to seed

4. 4. n an electrical circuit that generates pulses at a predetermined rate

5. 5. n [computing] an electronic pulse generator that transmits streams of regular pulses to which various parts of the computer and its operations are synchronized

6. 6. n short for time clock

7. 7. n an informal word for speedometer

8. 8. n a slang word for face

9. 9. vt. [tr] [Brit, Austral, and NZ] [slang] to strike, esp on the face or head

10. 10. vt. [tr] [Brit] [slang] to see or notice

11. 11. vt. [tr] to record time as with a stopwatch, esp in the calculation of speed

12. 12. vt. [electronics] to feed a clock pulse to (a digital device) in order to cause it to switch to a new state

13. 13. vt. See also atomic clock biological clock clock off clock on clock up

14. 14. vt. [Etymology] C14: from Middle Dutch clocke clock, from Medieval Latin clocca bell, ultimately of Celtic origin

clock [klɑk]

1. 1. n an ornamental design either woven in or embroidered on the side of a stocking

2. 2. n [Etymology] C16: from Middle Dutch clocke, from Medieval Latin clocca bell