a tree, Alnus oregona (or A. rubra), of western North America, having smooth, mottled light gray bark and oval serrate leaves.
the hard, red wood of this tree, used for making furniture.
Words nearby red alder
Origin of red alder
First recorded in 1905–10
OTHER WORDS FROM red alderred-al·der, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020