1. valves used to control the flow of liquid or gas through a pipe
Usage: plural of stopcock

Examples

• The plumber installed new stopcocks to control water flow to each section of the building.
• Make sure all the stopcocks are turned off before beginning the repair work.
• The gas stopcocks were located in the basement near the main supply line.
• Emergency stopcocks should be clearly marked and easily accessible.
• The old stopcocks were corroded and needed immediate replacement.
• Workers tested all the stopcocks to ensure they operated smoothly.