Definitions

from The Century Dictionary.

  • noun In echinoderms, the nerve-ring, which connects the five ambulacral nerves.
  • Having five corners or angles. Also pentagonous.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Having five corners or angles.
  • adjective See Dodecahedron, and Pyritohedron.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of, relating to, or shaped like a pentagon

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

  • adjective of or relating to or shaped like a pentagon

Etymologies

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Examples

  • Occupying the whole southern face of the pentagonal was the sole window -- an immense sheet of unbroken glass from Venice -- a single pane, and tinted of a leaden hue, so that the rays of either the sun or moon passing through it, fell with a ghastly luster on the objects within.

    Famous Modern Ghost Stories Leonid Nikolayevich Andreyev 1895

  • The towers were pentagonal, giving overlapping fields of view—or fields of fire, Scotty thought darkly—along the walls to either side.

    Star Trek The Next Generation® David A. McIntee 2011

  • Located on the water in a nature preserve area near Wailea, the pentagonal home has several outdoor decks overlooking the coastline.

    Aerosmith's Steven Tyler Buys in Maui 2012

  • The towers were pentagonal, giving overlapping fields of view—or fields of fire, Scotty thought darkly—along the walls to either side.

    Star Trek The Next Generation® David A. McIntee 2011

  • They reported gold, blue, green, orange, and red colored globes flitting about in a pentagonal shape that seemed to rotate about a central axis.

    Foo Fighters Hugh Barlow 2011

  • Located on the water in a nature preserve area near Wailea, the pentagonal home has several outdoor decks overlooking the coastline.

    Private Properties 2012

  • Unlike most Mongolian shields, which were circular, this one was pentagonal and constructed of iron.

    THE 5 GREATEST WARRIORS MATTHEW REILLY 2010

  • He reached down and took the pentagonal shield from the skeleton.

    THE 5 GREATEST WARRIORS MATTHEW REILLY 2010

  • Here Paul Leonard has taken that throwaway line and constructed one of the best alien cultures I've ever read around it; reminiscent a little of both the pentagonal creatures of At the Mountains of Madness (though a lot less evil) and David Brin's Alvin the Hoon, but faced with an imminent world-destroying tragedy - this is Venus of several billion years ago, still habitable though steadily deteriorating.

    March Books 40) [In Search of Lost Time #5] The Prisoner and The Fugitive nwhyte 2008

  • He was dressed in leather-and-bronze armor, a sturdy helmet, and he held in one hand a pentagonal shield, covered in studs and raised images.

    THE 5 GREATEST WARRIORS MATTHEW REILLY 2010

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