Definition of ex officio in English:

ex officio

Syllabification: ex of·fi·ci·o
Pronunciation: /ˌeks əˈfiSHēō
 
/

adverb& adjective

By virtue of one’s position or status: [as adjective]: an ex officio member of the committee

Origin

Latin, from ex 'out of, from' + officium 'duty'.

Definition of ex officio in: