1a. Costumes. Noun. A type of needlework used to finish a fabric's edge, the handwork equivalent of what a serger produces.
1b. Costumes. Verb. To use the above.
2. Lighting. Noun. The wires suppling power to a fixture. Also known as "cordset", "tail", or "power leads". The white, asbestos-covered wires in the picture below:
3. Rigging. Verb. To wrap the ends of rope to prevent fraying or unraveling.
4a. Management. Noun. An object used to punish physically, by striking.
4b. Management. Verb. To use the above.