Search for the meaning of over 20,000 expressions for automobiles, bicycles, motorcycles, engines, and boats. If you need the meaning of a particular phrase, choose the letter which begins the expression, e.g., for 'crankcase' look under the 'C' then select the 'Cr' tab. For numbers, choose the beginning letter of the spelling of the number, e.g., for '2-door' look under 'T' for 'two'. If you have some suggestions or pictures to help explain or define an expression, please contact me a t (car at MythicCar . com) with subject heading: Dictionary.