pyramidion

[ pir-uh-mid-ee-uhn, -on ]
/ ˌpɪr əˈmɪd i ən, -ˌɒn /

noun, plural pyr·a·mid·i·a [pir-uh-mid-ee-uh]. /ˌpɪr əˈmɪd i ə/.

a miniature pyramid, as at the apex of an obelisk.

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Origin of pyramidion

1830–40; <New Latin, equivalent to pȳramid-pyramid + -ion diminutive suffix <Greek
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pyramidion