mountain ash

Noun mountain ash has 3 senses

• mountain ash(n = noun.plant) - any of various trees of the genus Sorbus;
is a member of genus sorbus, sorbus
has particulars: european mountain ash, rowan, rowan tree, sorbus aucuparia, american mountain ash, sorbus americana, sorbus sitchensis, western mountain ash, service tree, sorb apple, sorb apple tree, sorbus domestica
is a kind of angiospermous tree, flowering tree

• mountain ash(n = noun.plant) eucalyptus regnans - tree having wood similar to the alpine ash; tallest tree in Australia and tallest hardwood in the world;
is a kind of eucalypt, eucalyptus, eucalyptus tree

• mountain ash(n = noun.plant) fraxinus texensis - low-growing ash of Texas;
is a kind of ash, ash tree