noun1.a representation or image of something on a small or reduced scale.2.a greatly reduced or abridged form or copy.3.a very small painting, especially a portrait, on ivory, vellum, or the like.4.the art of executing such a painting.5.an illumination in an illuminated manuscript or book.adjective6.being, on, or represented on a small scale; reduced.Idioms7.in miniature, in a reduced size; on a small scale:The zoo exhibition offered a jungle in miniature.