(1):

(v.) Greatly diminished size or form; reduced scale.

(2):

(v.) Originally, a painting in colors such as those in mediaeval manuscripts; in modern times, any very small painting, especially a portrait.

(3):

(v.) Lettering in red; rubric distinction.

(4):

(v.) A particular feature or trait.

(5):

(a.) Being on a small; much reduced from the reality; as, a miniature copy.

(6):

(v. t.) To represent or depict in a small compass, or on a small scale.