mountain ash

noun

• 1a small deciduous tree of the rose family, with compound leaves, white flowers, and red berries. Also called rowan.

  • Genus Sorbus, family Rosaceae: several species, in particular the North American S. americana

• 2Australian a eucalyptus tree that is widely used for timber.

  • Genus Eucalyptus, family Myrtaceae: several species, in particular the very tall E. regnans