| SLUICEGATE | Structure for stopping and regulating the flow of water (10) |
| BALLCOCK | A device for regulating the flow of liquid into a tank, cistern, etc (4,4) |
| STOPCOCK | An externally operated valve regulating the flow of a liquid or gas through a pipe (8) |
| GLAND | Organ for producing and regulating hormones (5) |
| SETTING | Going down and regulating (7) |
| PENSTOCK | Valve-controlled sluice or pipe regulating the flow from a dammed body of water, as to a water-mill (8) |
| MODERATING | Regulating the poem evaluation after the end of term (10) |
| PEACEMAKER | One regulating the beat encapsulating energy of irenic figure (10) |
| TOURNIQUET | Last resort in first aid for stopping severe blood loss - the tied tightly band may cause too much d |
| DISCBREAKS | Well-established as the best method for stopping a motorcycle at high speed. (4,6) |
| TAP | A cask's stopper for controlling the flow of beer; or, a faucet for controlling the flow of water/gas (3) |
| BALANCE | A pair of scales held by a statue of justice or used as a symbol of Libra; a device for regulating the speed of a clock or watch; or, equilibrium (7) |
| THALAMUS | Either of two parts of the brain involved in regulating the senses and motor signals (8) |
| DAM | Crazy to turn and stop the flow of water |
| STEM | Staunch the flow of water getting into the system, finally (4) |
| METER | Device for measuring the flow of water eg (5) |
| SLUICE | Gate for controlling the flow of water (6) |
| THERMOS | Brand of vacuum flask for regulating the temperature of food or drink while out on a picnic or day trip (7) |
| SHUTTER | A louvred or solid wood panel for an external or internal window; or, a device for regulating the opening of a camera's aperture (7) |
| INSULIN | Hormone regulating the amount of glucose in the blood (7) |
