Definition

1. Noun:
   • A large ornamental tree with graceful, gradually spreading branches, common in eastern North America: This refers to a specific species of elm tree valued for its decorative appearance in landscapes.
   • A tall, widely distributed elm of eastern North America: This refers to a type of elm tree known for its height and prevalence in a specific geographic region.

Usage Examples

• Noun:
  • The park's centerpiece is a majestic rock elm with a broad, shady canopy.
  • Foresters are working to conserve the native rock elm due to threats from disease.

Advanced Usage

• In botanical or forestry contexts: The term "rock elm" is used precisely to distinguish this species () from other elms like the American elm or slippery elm, often noting its hard, tough wood.
  • The timber of the rock elm is exceptionally resistant to splitting.

Variants and Related Words

• Cork elm: A common alternative name for the rock elm, referring to the same tree species ().
• Ulmus thomasii: The scientific Latin name for the rock elm.

Synonyms

• Cork elm: This is a direct synonym for rock elm.
• Thomas's elm: Another name derived from its scientific name.

Noun

1. large ornamental tree with graceful gradually spreading branches common in eastern North America
2. tall widely distributed elm of eastern North America