e·del·weiss (ā'dəl-vīs', -wīs') n. An alpine plant (Leontopodium alpinum), native to Europe and having leaves covered with whitish down and small flower heads surrounded by conspicuous whitish bracts.
[German : edel, noble (from Middle High German edele, from Old High German edili) + weiss, white (from Middle High German wīz, from Old High German wīz, hwīz; see kweit- in Indo-European roots).]