| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
hyperpnea hy·perp·ne·a (hī'pərp-nē'ə, hī'pər-nē'ə)
n.
Abnormally deep and rapid breathing.