n. A protection; restraint; curb.n. A helmet.n. Might; size.n. An artificial elevation of earth, as one raised as a fortification or part of a fortification, or as a funeral monument; a bank of earth; hence, a bulwark; a rampart or fence.n. A natural elevation presenting the appearance of having been raised artificially; a hillock; a knoll.n. In civil engine., in excavations, a piece of the original ground left at intervals to show the depth.To fortify with a mound; add a barrier, rampart, etc., to.n. A figure of a globe, taken as an emblem of sovereignty.To form into mounds; become piled up into mounds.