S: (n) arm, branch, limb (any projection that is thought to resemble a human arm) "the arm of the record player"; "an arm of the sea"; "a branch of the sewer"
S: (n) brim (a circular projection that sticks outward from the crown of a hat)
S: (n) burr (rough projection left on a workpiece after drilling or cutting)
S: (n) cleat (a metal or leather projection (as from the sole of a shoe); prevents slipping)
S: (n) cornice (the topmost projecting part of an entablature)
S: (n) drip, drip mold, drip mould ((architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway))
S: (n) flange, rim (a projection used for strength or for attaching to another object)
S: (n) fluke, flue (flat bladelike projection on the arm of an anchor)
S: (n) head (a projection out from one end) "the head of the nail"; "a pinhead is the head of a pin"
S: (n) knob, boss (a circular rounded projection or protuberance)
S: (n) lobe (a rounded projection that is part of a larger structure)
S: (n) lug (a projecting piece that is used to lift or support or turn something)
S: (n) overhang (projection that extends beyond or hangs over something else)
S: (n) projection (any solid convex shape that juts out from something)
S: (n) projection ((psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else)
S: (n) 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"
S: (n) projection (the representation of a figure or solid on a plane as it would look from a particular direction)