- The definition of an overhead projector is a machine that causes an image from a transparent sheet to be projected onto a viewing screen.
An example of an overhead projector is what a teacher uses to show their class an enlarged version of a class assignment.
An overhead projector in a classroom.
overhead projector definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a projector having a flat, transparent top on which a sheetlike transparency is placed, and an overhead mirror that reflects the image on the transparency to a screen
overhead projector definition by American Heritage Dictionary
A projector capable of projecting enlarged images of written or pictorial material onto a screen or wall from a transparency placed horizontally below the projector and lighted from underneath.