|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.|
androsterone an·dros·ter·one (ān-drŏs'tə-rōn')
A steroid hormone excreted in urine that reinforces masculine characteristics.