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Vinony

octagonal

adjective

  1. having eight angles and eight sides
L338868 on Wikidata ↗

Wiktionary

Pronunciation: /ɑkˈtæɡənəl/

adj

Etymology: Etymology tree English octagon Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English octagonal From octagon + -al.

  1. Shaped like an octagon, in having eight sides and eight angles.

    “Near Smeinogorsk an octagonal tumulus has been found containing the corpse of a horse near a rectangular one with a human corpse, both within stone circles.”

    “The sundials range in shape from octagonal to the usual round. Prices range from $75 to $375.”