'Illustration' definitions:

Definition of 'illustration'

From: WordNet
noun
Artwork that helps make something clear or attractive
noun
Showing by example [syn: exemplification, illustration]
noun
An item of information that is typical of a class or group; "this patient provides a typical example of the syndrome"; "there is an example on page 10" [syn: example, illustration, instance, representative]
noun
A visual representation (a picture or diagram) that is used make some subject more pleasing or easier to understand

Definition of 'Illustration'

From: GCIDE
  • Illustration \Il`lus*tra"tion\, n. [L. illustratio: cf. F. illustration.]
  • 1. The act of illustrating; the act of making clear and distinct; education; also, the state of being illustrated, or of being made clear and distinct. [1913 Webster]
  • 2. That which illustrates; a comparison or example intended to make clear or apprehensible, or to remove obscurity. [1913 Webster]
  • 3. A picture designed to decorate a volume or elucidate a literary work. [1913 Webster]

Synonyms of 'illustration'

From: Moby Thesaurus