| They were brown and pentangular, with a short stem, and slightly punctured at the intersections. |
| One long seed enclosed within the calyx, pentangular, covered with a membranaceous skin. |
| Segments of the column of encrinus of authors, of a pentangular form. |
| Pentangular mobiles hung from the ceiling, and a series of homemade paper dioramas sat on a long table near the entrance. |
| More likely is a gradual coming together of a variety of agency types in new partnerships – triangular, rectangular, pentangular and more – with joint learning trumping national interests as a driver for co-operation. |
