finder Syllabification: (find·er)Pronunciation: /ˈfīndər/Translate finder | into German Definition of finder noun a person who finds someone or something. (in full finder-scope) a small telescope attached to a large one to locate an object for observation. the viewfinder of a camera. Phrases finders keepers (losers weepers) informal used, often humorously, to assert that whoever finds something by chance is entitled to keep it. finder in other Oxford dictionaries Definition of finder in the British & World English dictionary