keypadn.
/ˈkiːpad/, U.S. /ˈkiˌpæd/ 1. Music. In some wind instruments: a soft pad attached to the cup of each key (key n.1 19b) which, when the key is pressed, covers and seals the vent hole.
ΘΚΠ
society > leisure > the arts > music > musical instrument > wind instrument > [noun] > parts generally
labium1847
keypad1888
1888 Eng. Mech. 27 July 480/2 In the oboe..these spherules might roll under the keypads, and the sound-holes being small, would get choked.
1908 D. C. Miller tr. T. Böhm Flute & Flute-playing viii. 56 The Key Pads... In order that the pads may close the holes air tight, these felt disks are covered with a fine membrane.
1961 R. Sprenkle & D. Ledet Art of Oboe Playing 33/2 If [the screw is] too tight, the G key pad will require excessive pressure to close.
2009 M. C. Ely & A. E. Van Deuren Wind Talk for Woodwinds i. 38 Pressing the octave key should operate the key mechanism freely, and the octave key pad should cover the vent hole properly.
2. A small panel of keys or set of buttons for operating a device such as a mobile phone, remote control, or calculator.
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society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > control panel or unit
brain-box1876
control box1878
control panel1902
panel board1905
board1940
console1944
touch panel1957
keypad1966
pad1976
zapper1984
1966 U.S. Patent 3,248,052 1/2 The size of the key pad..is preferably made larger for the zero key.
1975 Times 24 Sept. 2/8 Using the Keypad, the user would call up the Viewdata service and select the ‘pages’ of information to be displayed on the television screen.
1983 What's New in Computing Jan. 60/1 The full alphanumeric and function key keypad..includes..eight user-programmable keys.
1997 J. L. Heskett et al. Service Profit Chain x. 182 New Boeing 767 and 777 aircraft were equipped with keypads on which customers could register complaints from their seats.
2011 N.Y. Times (National ed.) 3 Mar. f1/3 There's not enough ‘tech’ in a phone that uses an oversize keypad but offers limited features.
This entry has been updated (OED Third Edition, December 2012; most recently modified version published online March 2022).
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n.1888