mountain ash

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of various deciduous trees of the genus Sorbus, such as the rowan, having clusters of small white flowers and bright orange-red berries arranged in clusters.

Century Dictionary and Cyclopedia

1. n. One of several small trees of the genus Pyrus, having ash-like leaves, primarily P. aucuparia This, the rowan-tree or quick-beam, grows wild in the northern parts of the Old World, and is in general cultivation for ornament, on account of its handsome pinnate leaves, its small hut numerous corymbed white flowers, and its bright-red berries. The wood is used for tools; the berries afford malic acid, and all parts of the tree, as also of the American species, are astringent. The best-known American mountain-ash is P. Americana, a similar tree, but with larger leaves, and smaller though deeper-colored fruit. It is native in the mountains of the eastern United States and northward, and is also cultivated. The western mountain-ash. P. sambucifolia, a not very different tree, extends across the continent. See dogberry, 2, and wicken.
2. n. One of several species of Eucalyptus, especially E. amygdalina, E. goniocalyx, E. Sie-beriana, and E. pilularis (the flintwood).
3. n. See Texas ash.

Wiktionary

1. n. Any of several trees in the genus Sorbus in North America.
2. n. The European species Sorbus aucuparia, also commonly known as rowan or more specifically European rowan.
3. n. A tree native to southeastern Australia, Eucalyptus regnans, the tallest of all flowering plants.
4. n. A Texan ash tree species, Fraxinus texensis.

GNU Webster's 1913

1. n. See Roman tree, and under Mountain.
2. adj. an ornamental tree, the Pyrus Americana (or Sorbus Americana), producing beautiful bunches of red berries. Its leaves are pinnate, and its flowers white, growing in fragrant clusters. The European species is the Pyrus aucuparia, or rowan tree.

WordNet 3.0

1. n. low-growing ash of Texas
2. n. any of various trees of the genus Sorbus
3. n. tree having wood similar to the alpine ash; tallest tree in Australia and tallest hardwood in the world