Edelweiss \E"del*weiss\, n. [G., fr. edel noble + weiss white.] (Bot.) A little, perennial, white, woolly plant ({Leontopodium alpinum}), growing at high elevations in the Alps.
Leontopodium alpinum n : alpine perennial plant native to Europe having leaves covered with whitish down and small flower heads held in stars of glistening whitish bracts [syn: {edelweiss}]