Topical \Top"ic*al\, a. [Cf. F. topique, LL. topicus, Gr. ?. See Topic, n.]

1. Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.

2. (Rhet. & logic) Pertaining to, or consisting of, a topic or topics; according to topics.

3. Resembling a topic, or general maxim; hence, not demonstrative, but merely probable, as an argument.

Evidences of fact can be no more than topical and probable. --Sir M. Hale.

Source: Webster's Revised Unabridged Dictionary (1913)