·noun Discourse on a certain subject.
II. Theme ·noun A composition or essay required of a pupil.
III. Theme ·noun The leading subject of a composition or a movement.
IV. Theme ·noun That by means of which a thing is done; means; instrument.
V. Theme ·noun A subject or topic on which a person writes or speaks; a proposition for discussion or argument; a text.
VI. Theme ·noun A noun or verb, not modified by inflections; also, that part of a noun or verb which remains unchanged (except by euphonic variations) in declension or conjugation; stem.