| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a chattering or flighty, light-headed person. |
astereognosis a·ster·e·og·no·sis (ə-stěr'ē-ŏg-nō'sĭs, -stēr'-)
n.
The inability to determine the form of an object by touch.