Pronunciation: (nō-tā'shun), [key]
1. a system of graphic symbols for a specialized use, other than ordinary writing: musical notation.
2. the process or method of noting or setting down by means of a special system of signs or symbols.
3. the act of noting, marking, or setting down in writing.
4. a note, jotting, or record; annotation: notations in the margin.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.