elm
/elm/(亦作elm tree)
noun
1- a tall deciduous tree which typically has rough serrated leaves and propagates from root suckers榆（树）。
1.1
- Genus Ulmus, family Ulmaceae: several species, including the English elm (U. procera), now largely lost to Dutch Elm disease, and the American elm (U. americana).榆属, 榆科：数种, 包括英国榆（拉丁名U. Procera, 现大部分已被荷兰榆树病毁去）和美洲榆（拉丁名U. americana）。
派生词
elmy
adjective词源
Old English, of Germanic origin; related to German dialect Ilm, and Swedish and Norwegian alm.