WordNet: projection

any solid convex shape that juts out from something

• hypernym convex shape, convexity

• hyponym salient

• hyponym jag

• hyponym bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, protuberance, swelling

• hyponym acantha, spine, spur

• hyponym tail, tail end

• hyponym knife, tongue

• hyponym keel

projection

• (suomi) projektio (synonyymi)