Jun·ker (yŏŏng'kər) n. A member of the Prussian landed aristocracy, a class formerly associated with political reaction and militarism.
[German, from Middle High German junchērre, page, squire, from Old High German junchērro : junc, young; see yeu- in Indo-European roots + hērro, lord; see Herr.] Jun'ker·dom n.