A tapering stone pillar built as a monument
.... obelisk - a stone pillar having a rectangular cross section tapering 
towards a .... the famous Christian hermit of old times, who built him a lofty stone 
pillar in... [DOC] [TLE] obelisk | pillar | Britannica.com [PAR] Jul 6, 2016 ... Tapered monolithic pillar, originally erected in pairs at the entrances of ...