Pronunciation: (top'i-kul), [key]
1. pertaining to or dealing with matters of current or local interest: a topical reference.
2. pertaining to the subject of a discourse, composition, or the like.
3. of a place; local.
4. Med.of, pertaining to, or applied externally to a particular part of the body; local: a topical anesthetic.
Philately.any of a collection of different stamps treating the same subject.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.