EX- n.
, prefixed to names implying office, station, condition, denotes that the person formerly held the office, or is out of the office or condition now; as, ex-president, ex-governor, ex-mayor, ex-convict. The Greek form 'ex becomes ex in English, as in exarch; 'ek becomes ec, as in eccentric.
EXHIBITION n.
That which is exhibited, held forth, or displayed; also, any public show; a display of works of art, or of feats of skill, or of oratorical or dramatic ability; as, an exhibition of animals; an exhibition of pictures, statues, etc.; an industrial exhibition.