A tapering stone pillar built as a monument
... 1A tapering stone pillar, 
typically having a square or rectangular cross section, set up as a monument... [DOC] [TLE] Obelisk | Word Obelisk at Open Dictionary of English by LearnThat ... [PAR] A stone pillar having a rectangular cross section tapering towards a ... (Noun); An 
obelisk is a tall, four-sided, narrow tapering monument which ends in a ... by the 
king who had the temple or palace built before which the obelisk was placed.