pentangular, a.
(pɛnˈtæŋgjʊlə(r))
[f. as prec. + angular.]
Having five angles or angular points; pentagonal.
| 1661 Morgan Sph. Gentry i. 44 The Mullet points are all strait and pentangular. 1673–4 Grew Anat. Trunks i. i. §10 Through a Glass, some appear Pentangular, others Sexangular, and Septangular. 1806–7 J. Beresford Miseries Hum. Life (1826) xviii. 189 Those pentangular divisions which characterize the back of the sea-tortoise. 1872 W. S. Symonds Rec. Rocks x. 381 It was of a pentangular shape with a bastion tower at each angle. |