an E North American maple (Acer saccharum), valued for its hard wood and for its sap, which yields maple syrup and maple sugar
See sugar maple in American Heritage Dictionary 4
noun
An eastern North American maple tree (Acer saccharum) having sap that is the source of maple syrup and maple sugar and variously grained hard wood used in cabinetmaking.
The wood of this tree. Also called hard maple, rock maple.