Open English Wordnet
Nouns
(n)projection(psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else
(n)projection, acoustic projection, sound projectionthe acoustic phenomenon that gives sound a penetrating quality“our ukuleles have been designed to have superior sound and projection”, “a prime ingredient of public speaking is projection of the voice”
(n)projectionthe representation of a figure or solid on a plane as it would look from a particular direction