The Collaborative International Dictionary of English v.0.48:
Topically \Top"ic*al*ly\, adv. In a topical manner; with application to, or limitation of, a particular place or topic. [1913 Webster]WordNet (r) 3.0 (2006):
topically adv 1: to a restricted area of the body; "apply this medicine topically" [syn: locally, topically]