red elm

1. She was staring out of the window at a red squirrel in the elm tree.
   她透过窗子目不转睛地看着榆树上的一只红松鼠。

noun

1. North American elm having rough leaves that are red when opening

   Synonym:    slippery elmUlmus rubra

2. autumn-flowering elm of southeastern United States

   Synonym:    September elmUlmus serotina