Definition of Oberstleutnant in English:

Oberstleutnant

Pronunciation /ˌəʊbəstˈlɔɪtnənt/

noun

Military
  • In Germany, Austria, and Switzerland: a military title or rank equivalent to a British or U.S. lieutenant colonel and (in the air force) to a Royal Air Force wing commander; a person of this rank.

Origin

Late 19th century; earliest use found in Harper's Magazine. From German Oberstleutnant from Oberst colonel (from oberst, superlative of ober) + Leutnant second lieutenant.