mound

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A pile of earth, gravel, sand, rocks, or debris heaped for protection or concealment.
• noun A natural elevation, such as a small hill.
• noun A group of things collected in a mass or heap: synonym: heap.
• noun A great deal; a lot.
• noun Archaeology A large artificial pile of earth or stones often marking a burial site.
• noun Baseball The slightly elevated pitcher's area in the center of the diamond.
• noun Archaic A hedge or fence.
• transitive verb To heap into a raised mass.

from The Century Dictionary.

• To fortify with a mound; add a barrier, rampart, etc., to.
• noun A protection; restraint; curb.
• noun A helmet.
• noun Might; size.
• noun 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.
• noun A natural elevation presenting the appearance of having been raised artificially; a hillock; a knoll.
• noun In civil engine., in excavations, a piece of the original ground left at intervals to show the depth.
• noun A figure of a globe, taken as an emblem of sovereignty.
• To form into mounds; become piled up into mounds.

from the GNU version of the Collaborative International Dictionary of English.

• noun A ball or globe forming part of the regalia of an emperor or other sovereign. It is encircled with bands, enriched with precious stones, and surmounted with a cross; -- called also globe.
• noun An artificial hill or elevation of earth; a raised bank; an embarkment thrown up for defense; a bulwark; a rampart; also, a natural elevation appearing as if thrown up artificially; a regular and isolated hill, hillock, or knoll.
• noun (Zoöl.) See moundbird in the vocabulary.
• noun (Ethnol.) the tribe, or tribes, of North American aborigines who built, in former times, extensive mounds of earth, esp. in the valleys of the Mississippi and Ohio Rivers. Formerly they were supposed to have preceded the Indians, but later investigations go to show that they were, in general, identical with the tribes that occupied the country when discovered by Europeans.
• noun (Zoöl.) any one of the megapodes. See also moundbird in the vocabulary.
• noun a mound of refuse shells, collected by aborigines who subsisted largely on shellfish. See Midden, and Kitchen middens.
• transitive verb To fortify or inclose with a mound.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete, anatomy, measurement, figuratively A hand.
• noun obsolete A protection; restraint; curb.
• noun obsolete A helmet.
• noun obsolete Might; size.
• noun An artificial hill or elevation of earth; a raised bank; an embankment thrown up for defense; a bulwark; a rampart.
• noun A natural elevation appearing as if thrown up artificially; a regular and isolated hill, hillock, or knoll.
• noun baseball Elevated area of dirt upon which the pitcher stands to pitch.
• noun A ball or globe forming part of the regalia of an emperor or other sovereign. It is encircled with bands, enriched with precious stones, and surmounted with a cross.
• noun US, vulgar, slang Vulva.
• verb transitive To fortify with a mound; add a barrier, rampart, etc. to.
• verb transitive To force or pile into a mound or mounds.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun structure consisting of an artificial heap or bank usually of earth or stones
• noun a small natural hill
• noun (baseball) the slight elevation on which the pitcher stands
• verb form into a rounded elevation
• noun the position on a baseball team of the player who throws the ball for a batter to try to hit
• noun a collection of objects laid on top of each other