rock elm

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. tall widely distributed elm of eastern North America
• Syn:
Ulmus thomasii
• Hypernyms:
elm, elm tree
• Member Holonyms:
Ulmus, genus Ulmus
2. large ornamental tree with graceful gradually spreading branches common in eastern North America
• Syn:
American elm, white elm, water elm, Ulmus americana
• Hypernyms:
elm, elm tree
• Member Holonyms:
Ulmus, genus Ulmus