2 definitions found From WordNet (r) 2.0 [wn]: Ulmus noun: type genus of family Ulmaceae; deciduous trees having simple serrate leaves; widely distributed in temperate regions [syn: {genus Ulmus}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Ulmus \Ul"mus\, noun [L., an elm.] (Bot.) A genus of trees including the elm.

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