Mā'ple or Mā'ple-tree, n.

n. [A-S. mapeltréō, and corrupted mapolder, maapolder, māpuldor, māpuldre, O. H. Ger. māzalt(r)ā, māzalderā, mazoltra, māzultra, māziztra, M. H. Ger. māzalter, māzoller, masolter, masholter, N. H. Ger. maszholder.] (Bot.) A tree of the genus Acer, of several species. A. saccharinum is the rock-maple, or sugar-maple, from the sap of which sugar is made, in the United States, in great quantities, by evaporation; the red or swamp maple is A. rubrum; the silver maple, A. dasycarpum, having fruit woolly when young; the striped maple, A. Pennsylvanianum, called also moose-wood. Gray.

Maple honey, the uncrystallized portion of sap from sugar-maples, used in the form of molasses. Simmonds. — Maple sugar, sugar obtained by evaporation from the juice of the rock-maple.