This meaning refers to a three-dimensional geometric shape that has two parallel, congruent bases and rectangular sides. It often refers to geometric figures in mathematics and science.

This meaning indicates a structural element that has a polygonal shape, often found in architecture and construction. It typically refers to columns or pillars that support a building.

In this usage, the term refers to the specific type of plant that is known for its tall, slender stalks. It is often discussed in the context of construction, crafts, and natural materials.