elm
- n any of various trees of the genus Ulmus: important timber or shade trees
- n hard tough wood of an elm tree; used for e.g. implements and furniture
elm family
- n a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema
elm tree
- n any of various trees of the genus Ulmus: important timber or shade trees
elmer ambrose sperry
- n United States engineer and inventor of the gyrocompass (1860-1930)