pentagonal

The following photograph shows a small pentagonal farm, the walls of which are made with sheets of corrugated, galvanized iron.

Pentagonal and triangular types persist through all cultural periods.

This very curious pentagonal species, found on the California coast, is five to six inches in diameter and red in color.

The most common form of kite is a five-pointed one—a pentagonal star.

The room lay in a high turret of the castellated abbey, was pentagonal in shape, and of capacious size.