mound n. 堤;(尤指城堡的)護(hù)堤;土墩,土山;小山,小丘;【棒球】投球員的踏板。 the Indian mounds 美洲印第安人史前時(shí)代在密西西比河?xùn)|岸所筑的土墩子。 the M- City 〔美國(guó)〕 St. Louis 市的別名〔因土墩子很多〕。 take the mound 【棒球】作投球員。 vt. 筑堤;造土墩子;筑堤防御。 n. (象征王權(quán)、王位的)寶球,寶珠;帝位的象征。
Scholars believe they were primarily for religious purposes, although some also fulfilled a burial mound function. The builders of the effigy mounds are usually referred to as the Mound Builders.