ex officio Meaning, Definition & Usage

  1. adjective satellite by virtue of an office or position
    • the head of the department serves as an ex officio member of the board
  2. adverb by virtue of position
    by right of office.
    • the president sat on the committee ex officio

WordNet

Ex` of*fi"ci*o
Etymology
L.
Wordforms
plural Ex officiis
Definitions
  1. From office; by virtue, or as a consequence, of an office; officially.

Webster 1913