Definition of projector
2
: one that projects: such as
a
: a device for projecting a beam of light
b
: an optical instrument for projecting an image upon a surface
c
: a machine for projecting motion pictures on a screen
3
: an imagined line from an object to a surface along which projection takes place
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Merriam-Webster unabridged
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Time Traveler for projector
The first known use of projector was in 1596
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