| a chattering or flighty, light-headed person. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
official of·fi·cial (ə-fĭsh'əl)
adj.
Authorized by or contained in the U.S. Pharmacopoeia or National Formulary. Used of drugs.
unofficial un·of·fi·cial (ŭn'ə-fĭsh'əl)
adj.
Of or being a drug that is not listed in the United States Pharmacopeia or the National Formulary.