See <<launch pad>>

A small circumscribed mass of fatty tissue, as in terminal phalanges of the fingers or the underside of the toes of an animal, such as a dog.

1. An arrangement of fixed resistors used to reduce the strength of a radio-frequency or audio-frequency signal by a desired fixed amount without introducing appreciable distortion. Also known as fixed attenuator.

2. See <<terminal area>>

1. A layer of material used as a cushion or for protection.

2. A projection of excess metal on a casting forging, or welded part.

3. An area within an airstrip or airway that is used for warming up the motors of an airplane before takeoff.

4. A block of stone or masonry set on a wall to distribute a load that is concentrated at that portion of the wall. Also known as padstone.

5. That portion of an airstrip or airway from which an airplane leaves the ground on takeoff or first touches the ground on landing.

6. See <<helipad>>

The brickwork that is beneath the molten iron at the base of a blast furnace.