la·ger 
(lägər)
(lägər)n.
A beer of German origin that is fermented for a relatively long time at a low temperature. Also called lager beer.
[German, short for Lagerbier : Lager, storehouse, cellar (from Middle High German leger, from Old High German legar, bed, lair; see legh- in the Appendix of Indo-European roots) + Bier, beer.]