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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.

To find the most endangered salmon in Puget Sound, head to some of its fastest developing landscapes: the suburbs.

From Seattle Times

Before this week’s cuts, Microsoft had laid off about 2,700 people in the state, or 6 percent of the company’s Puget Sound head count before the layoffs.

From Seattle Times

Which of the blustering band Has a really sound head on his shoulders, a really skilled craft to his hand?

From Project Gutenberg

Death has taken away, within a brief space, several of our estimable citizens—Mr. Joseph Balch, an excellent and amiable man, who filled an official station, honorably for himself, and profitably for others—Mr. Samuel C. Gray, a gentleman of taste and refinement, who graduated at Harvard College, in 1811, and, at the time of his death, was President of the Atlas Bank—Mr. John Bromfield, a man of a sound head, and a kind heart.

From Project Gutenberg

They are quite astonished that, in addition to the execution of the law, good sense and a sound head should be expected from them.

From Project Gutenberg