Elm/elm/ Definition 1 of 1Pro Tip 1/3Tree Species Elm is a specific species of tree, not a general term for any tree. The elm is known for its unique broad leaves. Pro Tip 2/3Disease Association Elms are often associated with Dutch elm disease, a type of tree illness. Many elm trees in the area have been affected by Dutch elm disease. Pro Tip 3/3Cultural Symbolism In literature and culture, the elm can symbolize dignity and strength. The ancient elm stood as a symbol of the town's resilience.