electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked"
someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"
the presiding officer of a deliberative assembly; "the leader of the majority party is the Speaker of the House of Representatives"
a commercially sponsored ad on radio or television
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
of the kind or quality used in commerce; average or inferior; "commercial grade of beef"; "commercial oxalic acid"
of or relating to commercialism; "a commercial attache"; "commercial paper"; "commercial law"
a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"
electro-acoustic transducer that vibrates to receive or produce sound waves
a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
a lever that actuates a mechanism when depressed
pitch of the voice; "he spoke in a low key"
something crucial for explaining; "the key to development is economic integration"
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 list of words or phrases that explain symbols or abbreviations
a list of answers to a test; "some students had stolen the key to the final exam"
any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
(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"
a coral reef off the southern coast of Florida
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)
a kilogram of a narcotic drug; "they were carrying two keys of heroin"
harmonize with or adjust to; "key one's actions to the voters' prevailing attitude"
regulate the musical pitch of
vandalize a car by scratching the sides with a key; "His new Mercedes was keyed last night in the parking lot"
provide with a key; "We were keyed after the locks were changed in the building"
the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); "communications is his major field of study"