|1.||[ noun ] metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated|
|Related terms:||device ignition_key latchkey passkey shank|
|2.||[ adjective ] serving as an essential component|
|Synonyms:||central fundamental cardinal primal|
"a cardinal rule" "the central cause of the problem" "an example that was fundamental to the argument" "computers are fundamental to modern industrial structure"
|3.||[ noun ] (psychology) something crucial for explaining|
"the key to development is economic integration"
|4.||[ noun ] (music) pitch of the voice|
"he spoke in a low key"
|5.||[ verb ] as in botany or biology, for example|
|Synonyms:||identify describe name distinguish key_out discover|
|Related terms:||name identity classify|
|6.||[ noun ] (music) any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music|
|Related terms:||atonality musical_notation home_key minor_key major_key|
|7.||[ adjective ] effective; producing a desired effect|
"the operative word"
|8.||[ noun ] (architecture) the central building block at the top of an arch or vault|
|Related terms:||building_block quoin arch|
|9.||[ noun ] one thousand grams; the basic unit of mass adopted under the System International d'Unites|
|Synonyms:||kg kilo kilogram|
"a kilogram is approximately 2.2 pounds" "they were carrying two keys of heroin"
|Related terms:||metric_weight_unit myriagram hectogram|
|10.||[ noun ] a list of answers to a test|
"some students had stolen the key to the final exam"
|11.||[ verb ] (music) regulate the musical pitch of|
|Related terms:||harmonize harmonize music|
|12.||[ verb ] (music) harmonize with or adjust to|
"key one's actions to the voters' prevailing attitude"
|13.||[ noun ] (geography) a coral reef off the southern coast of Florida|
|Related terms:||coral_reef Florida|
|14.||[ noun ] Last name, frequency rank in the U.S. is 796|
|15.||[ verb ] vandalize a car by scratching the sides with a key|
"His new Mercedes was keyed last night in the parking lot"
|16.||[ noun ] (law,verse,work,writing) 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)|
|Related terms:||lawyer poet|
|17.||[ noun ] a list of words or phrases that explain symbols or abbreviations|
|Related terms:||list key_word|
|18.||[ noun ] a generic term for any device whose possession entitles the holder to a means of access|
"a safe-deposit box usually requires two keys to open it"
|19.||[ verb ] provide with a key|
"We were keyed after the locks were changed in the building"
|20.||[ noun ] (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|
"he hit a jump shot from the top of the key" "he dominates play in the paint"
|Related terms:||space basketball_court foul_line basketball|
|21.||[ noun ] (botany) a winged often one-seed indehiscent fruit as of the ash or elm or maple|
|22.||[ noun ] a kilogram of a narcotic drug|
"they were carrying two keys of heroin"
|Related terms:||kilogram cant|
|23.||[ noun ] mechanical device used to wind another device that is driven by a spring (as a clock)|
|Related terms:||mechanical_device watch_key wind|
|24.||[ noun ] (computer science) a lever that actuates a mechanism when depressed|
|Related terms:||lever telegraph_key backspace_key control_key return_key space_bar tab_key keyboard action|