Definition of obelisk noun from the Oxford Advanced Learner's Dictionary

 

obelisk

 noun
noun
BrE BrE//ˈɒbəlɪsk//
 
; NAmE NAmE//ˈɑːbəlɪsk//
 
, NAmE//ˈoʊbəlɪsk//
 
Historic buildings
 
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a tall pointed stone column with four sides, put up in memory of a person or an event See related entries: Historic buildings Word Origin mid 16th cent.: via Latin from Greek obeliskos, diminutive of obelos ‘pointed pillar’.
See the Oxford Advanced American Dictionary entry: obelisk