rock elm

rock elm

n.

1. An elm (Ulmus thomasii) of eastern North America, having corky branches and hard durable wood.

2. The wood of this tree.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Thesaurus

Noun	1.	rock elm - tall widely distributed elm of eastern North America Ulmus thomasii genus Ulmus, Ulmus - type genus of family Ulmaceae; deciduous trees having simple serrate leaves; widely distributed in temperate regions elm, elm tree - any of various trees of the genus Ulmus: important timber or shade trees
	2.	rock elm - large ornamental tree with graceful gradually spreading branches common in eastern North America American elm, Ulmus americana, white elm, water elm genus Ulmus, Ulmus - type genus of family Ulmaceae; deciduous trees having simple serrate leaves; widely distributed in temperate regions elm, elm tree - any of various trees of the genus Ulmus: important timber or shade trees

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