- having five angles and five sides; pentagonal.
Origin of pentangular
1655–65; pent- + angular
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pentangular
Segments of the column of encrinus of authors, of a pentangular form.Early Western Travels 1748-1846, Volume XIV
They were brown and pentangular, with a short stem, and slightly punctured at the intersections.
They were brown, and pentangular, with a short stem, and slightly punctured at the intersections.Sketches of the Natural History of Ceylon
J. Emerson Tennent
One long seed enclosed within the calyx, pentangular, covered with a membranaceous skin.The Medicinal Plants of the Philippines
T. H. Pardo de Tavera
- having five angles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012