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.
- red-alder, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use red alder in a sentence
The sexton, seeing their zeal, brought out to them a little cross, fancifully made of red alder-berries and pine.Betty's Bright Idea; Deacon Pitkin's Farm; and The First Christmas of New England | Harriet Beecher Stowe
red alder (Alnus oregona) (fig. 24) occurs from Alaska to southern California.The Forests of Mount Rainier National Park | Grenville F. Allen
red alder is the largest of the alder group in this country.
red alder is given that name because the newly cut wood is liable to change quickly to a reddish-brown.
red alder when thoroughly air dry weighs about thirty pounds per cubic foot, which is slightly above the weight of basswood.