wankel engine wankapin • wankel rotary engine · · · Info · Definitions · Characters · · wankel engine · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a rotary engine that is a four-stroke internal-combustion engine without reciprocating parts. Synonyms: Wankel engine, Wankel rotary engine, epitrochoidal engine. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E w latin small letter w U+0077