projection -- (any structure that branches out from a central support)
projection -- (any solid convex shape that juts out from something)
projection -- ((psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else)
projection, acoustic projection, sound projection -- (the 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")
projection -- (the representation of a figure or solid on a plane as it would look from a particular direction)
protrusion, projection, jut, jutting -- (the act of projecting out from something)