2. Proper noun. (surname from=German dot=) of German origin, either from Trappe (''bustard'') or Treppe (''flight of stairs''). ¹
¹ Source: wiktionary.com
Medical Definition of Trapp
1. Julius, Russian pharmacist, 1815-1908. See: Trapp's formula, Trapp-Haser formula. (05 Mar 2000)