/ Dictionary / Index W Wankel: Meaning and Definition of Find definitions for: Wan•kel Pronunciation: (wäng'kul, wang'- Ger. väng'kul), [key] born 1902, German engineer: inventor of rotary engine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wank Wankel engine Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language