obelisk
noun/ˈɒbəlɪsk/
/ˈɑːbəlɪsk/, /ˈəʊbəlɪsk/
- a tall pointed stone column with four sides, put up in memory of a person or an eventTopics Buildingsc2Word Originmid 16th cent.: via Latin from Greek obeliskos, diminutive of obelos ‘pointed pillar’.
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obelisk