The Collaborative International Dictionary of English v.0.48:

Tactic \Tac"tic\, Tactical \Tac"tic*al\, a. [Gr. taktiko`s. See
   tactics.]
   Of or pertaining to military or naval tactics; hence,
   pertaining to, or characterized by, planning or maneuvering
   for the short term; -- contrasted with strategic, planning
   for the long term.
   -- Tac"tic*al*ly, adv.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Tactic \Tac"tic\, n.
   See Tactics.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tactic
    n 1: a plan for attaining a particular goal [syn: tactic,
         tactics, maneuver, manoeuvre]