From Longman Dictionary of Contemporary Englishprotrudepro‧trude /prəˈtruːd $ proʊ-/ verb [intransitive] written STICK OUTto stick out from somewhereprotrude from The envelope was protruding from her bag.RegisterIn everyday English, people usually say stick out rather than protrude:The envelope was sticking out of her bag.His front teeth stick out.→ See Verb table
Examples from the Corpus
protrude• She injured herself on a screw that protruded 2 inches out of the bench.• The largest stone can be seen protruding above the level of the river.• The tip of the envelope was just protruding from her bag.• It had entered his open mouth, a clear six inches protruding from the back of his neck.• A few that remain protrude from the side and top, synthetic stalactites in a cavern of the sea.• A copper strip protruded from the top and ran vertically down through the center.• I noticed a metal pipe protruding from the wall.• It was rather small and it had been hung, quite casually, on a nail protruding from the wall.• The snag was blamed on a shuttle bolt that protruded into the reel mechanism but was overlooked in the pre-flight engineering analysis.• Murray was much worse: both legs broken and bone protruding through his pelt.• These bronze fastenings protrude through the keel and would have secured the main station frames of the hull.protrude from• A tuft of gray hair protruded from beneath her knit hat.Origin protrude (1600-1700) Latin protrudere, from trudere “to push” 