| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| parallelepiped (pār'ə-lěl'ə-pī'pĭd, -pĭp'ĭd) Pronunciation Key
A polyhedron with six faces, each a parallelogram and each being parallel to the opposite face. |