Meaning of Key in Urdu

1. metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated

2. a lever that actuates a mechanism when depressed

3. the central building block at the top of an arch or vault

4. mechanical device used to wind another device that is driven by a spring (as a clock)

5. pitch of the voice

6. something crucial for explaining

7. a generic term for any device whose possession entitles the holder to a means of access

8. a list of words or phrases that explain symbols or abbreviations

9. a list of answers to a test

10. any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music

11. (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court

12. a coral reef off the southern coast of Florida

13. United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled The Star-Spangled Banner' (1779-1843)

14. a winged often one-seed indehiscent fruit as of the ash or elm or maple

15. a kilogram of a narcotic drug

16. serving as an essential component

17. effective; producing a desired effect

18. harmonize with or adjust to

19. regulate the musical pitch of

20. identify as in botany or biology, for example

21. vandalize a car by scratching the sides with a key

22. provide with a key