mountain ash

1. 1.

   any of various trees of the genus Sorbus

   Broaderangiospermous tree

   NarrowerrowanAmerican mountain ashWestern mountain ashservice tree

   Part ofSorbus
2. 2.

   tree having wood similar to the alpine ash; tallest tree in Australia and tallest hardwood in the world

   SynonymsEucalyptus regnans

   Broadereucalyptus
3. 3.

   low-growing ash of Texas

   SynonymsFraxinus texensis

   Broaderash

Questions about mountain ash

What does mountain ash mean?

mountain ash means "any of various trees of the genus Sorbus". That is the primary sense; the word has 3 in total, listed in full on this page.

What is another word for mountain ash?

Close synonyms include Eucalyptus regnans, Fraxinus texensis. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is mountain ash a common word?

mountain ash is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.