| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
thanatology than·a·tol·o·gy (thān'ə-tŏl'ə-jē)
n.
The study of death and dying, especially of their psychological and social aspects.