1. Of or pertaining to an office or public trust; as, official duties, or routine. "That, in the official marks invested, you Anon do meet the senate." (Shak)

2. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority; as, an official statement or report.

3. <pharmacology> Approved by authority; sanctioned by the pharmacopoeia; appointed to be used in medicine; as, an official drug or preparation. Cf. Officinal.

4. Discharging an office or function. "The stomach and other parts official unto nutrition." (Sir T. Browne)

Origin: L. Officialis: cf. F. Officiel. See Office, and cf. Official.

(01 Mar 1998)