(military) An area within an operational area or battlefield (usually in a sheltered location), where a military unit assembles and makes final preparations for an attack before moving to the line of departure, which is the starting line for the attack.

plural of tactical air control center

(military) The principal air operations installation (ship-based) from which all aircraft and air warning functions of tactical air operations are controlled. Also called Navy TACC.

A person skilled in the planning and execution of tactics.

plural of tactician

Obsolete form of tactic.

plural of tactick

(slang) Having the impressive appearance, but not the functionality, of tactical military equipment.