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1. Any of various distinct Native American cultures flourishing from around the 5th century bc to the 16th century ad especially in the Ohio and Mississippi Valleys, practicing settled agriculture and known for their often large burial, temple, or effigy mounds.
2. A member of a people associated with any of these cultures.
1. (Archaeology) a member of a group of prehistoric inhabitants of the Mississippi region who built altar-mounds, tumuli, etc
2. (Peoples) a member of a group of prehistoric inhabitants of the Mississippi region who built altar-mounds, tumuli, etc
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|Noun||1.||Mound Builder - prehistoric Amerindians who built altar mounds|
|2.||mound builder - large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs|
leipoa, Leipoa ocellata, lowan, mallee fowl - Australian mound bird; incubates eggs naturally in sandy mounds