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2017 Word of the Year

sound head

noun, Movies.
1.
a mechanism through which film passes in a projector for conversion of the soundtrack into audio-frequency signals that can be amplified and reproduced.
Also called sound gate.
Origin of sound head
1930-1935
First recorded in 1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sound head

sound head

noun
1.
the part of a film projector that reproduces the sound in a film
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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6
8
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