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sound head

American  

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.


sound head British  

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

Etymology

Origin of sound head

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The virtue he loved was simple, sociable, gay, sprightly, and playful; to use one of his own expressions, ‘Ignorance and incuriousness are two charming pillows for a sound head.’

From An Essay In Aid Of A Grammar Of Assent by Newman, John Henry

The professor was a man of great science and was blessed with an almighty sound head.

From The Blind Spot by Hall, Austin

He had a sound head, and a heart equally sound.

From Thirty Years in the Itinerancy by Miller, Wesson Gage

It is chiefly this sensibility that constitutes genius; to which a sound head and a good heart are as effectual as a lively imagination.

From Essays on Taste by Cohen, Ralph

A proper diet and a sound head are closely allied, and those who will rightly exercise their soul-powers must be watchful of the stomach.

From Every Man His Own University by Conwell, Russell H.

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