| 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. |
perceptive per·cep·tive (pər-sěp'tĭv)
adj.
Of or relating to perception.
Having the ability to perceive.
Keenly discerning.