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”
a kilogram of a narcotic drug
“they were carrying two keys of heroin”
a lever (as in a keyboard) that actuates a mechanism when depressed
a list of answers to a test
“some students had stolen the key to the final exam”
a list of words or phrases that explain symbols or abbreviations
harmonize with or adjust to
“key one's actions to the voters' prevailing attitude”
metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
pitch of the voice
“he spoke in a low key”
provide with a key
“We were keyed after the locks were changed in the building”
regulate the musical pitch of