mountain ash

noun

Definition of mountain ash 

: any of various deciduous trees or shrubs (genus Sorbus) of the rose family with pinnate leaves and small usually white flowers in terminal corymbs and small red or orange-red berrylike fruits that are pomes — see american mountain ash, european mountain ash

Examples of mountain ash in a Sentence

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That disease may attack any member of the rose family, including hawthorns, mountain ash and spirea as well as apples, pears and of course roses. Margaret Lauterbach, idahostatesman, "Thinking of becoming a gardener? Here’s a primer for southern Idaho," 31 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mountain ash.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mountain ash

1597, in the meaning defined above

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The first known use of mountain ash was in 1597

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More Definitions for mountain ash

mountain ash

noun

English Language Learners Definition of mountain ash

: a small tree that produces red berries

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