1
: having six angles and six sides
2
: having a hexagon as section or base
3
: relating to or being a crystal system characterized by three equal lateral axes intersecting at angles of 60 degrees and a vertical axis of variable length at right angles

Examples of hexagonal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the 1980s, astronomers detected an hexagonal wave—a six-sided shape—over the planet’s north pole. Adam Kovac, Scientific American, 2 Sep. 2026 After a pre-seasoning, the hexagonal texture released the crust easily and burnt on cheese and sauce cleaned up well, too, sliding right off. Adam Campbell-Schmitt, Bon Appetit Magazine, 31 Aug. 2026 Throughout the building, there are nods to DSU’s hexagonal logo in building elements like tiles and light fixtures. Morgan Matzen, Sioux Falls Argus Leader, 28 Aug. 2026 Donezar and Lara also leaned into the home’s original geometry—note the many chamfered corners, the octagonal nightstands in the bedroom, and the hexagonal mirror in the entryway. Belén Afonso, Architectural Digest, 19 Aug. 2026 See All Example Sentences for hexagonal

Word History

First Known Use

1571, in the meaning defined at sense 1

Time Traveler
The first known use of hexagonal was in 1571

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Cite this Entry

“Hexagonal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hexagonal. Accessed 12 Sep. 2026.

Kids Definition

hexagonal

adjective
1
: having six angles and six sides
2
: having a hexagon as a section or base
a hexagonal prism
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