1. tree having wood similar to the alpine ash; tallest tree in Australia and tallest hardwood in the world; [syn: mountain ash, Eucalyptus regnans]
WordNet (r) 3.0 (2006):
Eucalyptus regnans
n 1: tree having wood similar to the alpine ash; tallest tree in
Australia and tallest hardwood in the world [syn: mountain
ash, Eucalyptus regnans]