of or pertaining to an office or public trust; as, official duties, or routine.-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.-approved by authority; sanctioned by the pharmacopoeia; appointed to be used in medicine; as, an official drug or preparation.  cf. officinal.-discharging an office or function.-one who holds an office; esp., a subordinate executive officer or attendant.-an ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the spiritual jurisdiction.