sta·lag (stä'läg', stāl'āg') n. A German prisoner of war camp for officers and enlisted personnel.
[German, short for Stammlager, base camp : Stamm, base, stem (from Middle High German stam, from Old High German; see stā- in Indo-European roots) + Lager, camp, bed (from Middle High German leger, from Old High German legar, bed, lair; see lager).]