acroter
noun[Gr. a summit.]
In architecture, a small pedestal, usually with out a base, anciently placed at the two extremes, or in the middle of pediments or frontispieces, serving to support the statuesIt also signifies the figures placed as ornaments on the tops of churches, and the sharp pinnacles that stand in ranges about flat buildings with rails and balusters. Anciently the word signified the extremities of the body, as the head, hands, and feet.