from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having eight sides and eight angles.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having eight sides and eight angles.

from The Century Dictionary and Cyclopedia

  • Having eight angles and eight sides.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to or shaped like an octagon


Sorry, no etymologies found.


  • Traditionally, the bread is baked in octagonal or hexagonal pans, but just about any shape or size can be used.

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  • He points out that these structures were called octagonal water towers even though the actual water tank inside was cylindrical.

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  • Daoud recalled the octagonal shape of Castello Lucera's central tower.

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  • The spire of its fellow on the north can scarcely be called octagonal; it is square, with the angles only slightly cut down, and with slight splaying at its base.

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  • Books had been piling up in there, and there's a lot of funky space in our bathroom (It's kind of octagonal) that doesn't get used.

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  • I went on up the street to the end, where it came to some kind of octagonal plaza.

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  • The now-unmistakable octagonal red sign instructing motorists in white letters to STOP was adopted throughout the United States in 1954, just in time for a new generation of fast, powerful American cars.

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  • “My fellow redeemed,” he begins, standing at a raised octagonal pulpit.

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  • The sanctuary mirrors the octagonal shape of the building itself, and five sections of pews, each five to eight rows deep, face the center, where an octagonal altar stands beneath an enormous suspended crucifix.

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  • Rounding the corner toward the parking lots, a visitor sees the beautiful three-story octagonal sanctuary—its bronze tower and stainless steel steeple gleaming atop a crisp white stone exterior.

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