1. a device for controlling or stopping the flow of liquid or gas through a tube or pipe by pinching or compressing it
Usage: technical; commonly used in laboratory and industrial settings

Examples

• The chemist used a pinchcock to regulate the flow of liquid through the rubber tubing.
• A pinchcock on the gas line allowed precise control of the burner's intensity.
• The laboratory setup included several pinchcocks to manage fluid distribution.
• She adjusted the pinchcock to slow the drip rate of the IV line.
• The pinchcock was tightened to completely stop the flow of the solution.