noun

a naturally raised area of land, not as high or craggy as a mountain.

high ground,rising ground,prominence,eminence,elevation,rise,hillock,mound,mount,knoll,hummock,tor,tump,fell,pike,mesa,bank,ridge,hogback,saddleback,whaleback,heights,downs,downland,foothills,drumlin,inselberg,monadnock,wold,brae,law,drum,butte,koppie,berg,jebel,holt

verb

form (something) into a heap.