plural of tie tack

An ornamented pin used to secure a necktie's end flat against the shirt, a stickpin.

(military) The shore-based officer (aviator) responsible to the landing force commander for control and coordination of air operations within the landing force commander's area of operations when control of these operations is passed ashore.

(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.

plural of tactical air control center

plural of tactical air commander

Surveillance of the immediate surroundings using one's senses.

To prepare a horse for riding by equipping it with tack (harness, reins, saddle etc.) / To attach in a temporary fashion.

(rugby) An offensive tackle in which the tackled player is lifted up and driven into the ground head-first. This is very dangerous and can result in serious injury to the neck and spine and often a red or yellow card.

(US) Cheap, low-quality building material, especially as that used to make conventional suburban housing of a uniform design.