alderwood noun2 •The wood from an alder tree.Fig. 12. Is a piece of Alder-wood the breadth whereof is about the bigness of the bristle of a Hog, to the naked Eye. — 1683 •A wood largely populated with alder trees.In consequence, when the ground-level in spite of all does in time rise above the water-level, instead of an alderwood one encounters meadow associations belonging to the order Molinietalia. — 2013 formsalderwoods