Pronunciation: (il'u-strāt", i-lus'trāt), [key]
—v., -trat•ed, -trat•ing.
1. to furnish (a book, magazine, etc.) with drawings, pictures, or other artwork intended for explanation, elucidation, or adornment.
2. to make clear or intelligible, as by examples or analogies; exemplify.
3. Archaic.to enlighten.
to clarify one's words, writings, etc., with examples: To prevent misunderstandings, let me illustrate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.