(1779-1843) US lawyer and poet. He wrote the song ‘The Star-Spangled Banner’ while Fort McHenry, Baltimore, was besieged by British troops 1814; since 1931 it has been the national anthem of the US.
Key served as US attorney for the District of Columbia 1833–41.
1. Metal device shaped in such a way that when it is inserted into a lock the lock's mechanism can be rotated.
2. A lever that actuates a mechanism when depressed.
3. A list of words or phrases that explain symbols or abbreviations.
4. Something crucial for explaining.
5. A coral reef off the southern coast of Florida; SYN. cay, Florida keys.
ETYM Old Eng. keye, key, kay, as. caeg.
In music, the diatonic scale around which a piece of music is written; for example, a passage in the key of C major will mainly use the notes of the C major scale. The term is also used for the lever activated by a keyboard player, such as a piano key, or the finger control on a woodwind instrument.
1. On a keyboard, the combination of a plastic keycap, a tension mechanism that suspends the keycap but allows it to be pressed down, and an electronic mechanism that records the key press and key release.
2. In database management, an identifier for a record or group of records in a datafile. See also B-tree, hash, index(definition 1), inverted list, key field.
3. A binary number used with an encryption algorithm. In encryption and digital signatures, a string of bits used for encrypting and decrypting information to be transmitted. Encryption commonly relies on two different types of keys, a public key known to more than one person (say, both the sender and the receiver) and a private key known only to one person (typically, the sender).
4. A metal object used with a physical lock to disable a computer system.
1. To harmonize with or adjust to
2. To provide with a key
3. To adjust a lock so it will receive a particular key
4. To regulate the musical pitch of.
5. To vandalize a car by scratching the sides with a key