| n. | 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. |
| 2. | That which illustrates; a comparison or example intended to make clear or apprehensible, or to remove obscurity. | |
| 3. | A picture designed to decorate a volume or elucidate a literary work. |
| Noun | 1. | illustration - artwork that helps make something clear or attractive |
| 2. | illustration - showing by example Synonyms: exemplification | |
| 3. | illustration - an item of information that is representative of a type; "this patient provides a typical example of the syndrome"; "there is an example on page 10" | |
| 4. | illustration - a visual representation (a picture or diagram) that is used make some subject more pleasing or easier to understand |