key1
/kiː की/ noun [C] 1 a metal object that is used for locking a door, starting a car, etc. चाबी
Have you seen my car keys anywhere?
We need a spare key to the front door.
a bunch of keys
2 [usually sing.] the key (to something) something that helps you achieve or understand something कुछ प्राप्त करने या समझने में सहायक कोई वस्तु; कुंजी
A good education is the key to success.
3 one of the parts of a piano, computer, etc. that you press with your fingers to make it work पियानो, कंप्यूटर आदि की कुंजी या की (जिसे दबाकर उन्हें चलाया जाता है)
4 a set of musical notes that is based on one particular note स्वर-विशेष पर आधारित स्वर माला
The concerto is in the key of A minor.
IDM