Pronunciation: (il"u-strā'shun), [key]
1. something that illustrates, as a picture in a book or magazine.
2. a comparison or an example intended for explanation or corroboration.
3. the act or process of illuminating.
4. the act of clarifying or explaining; elucidation.
5. Archaic.illustriousness; distinction.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.