any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. | a wooden pin pushed or driven into a surface |
a control that maintains a steady speed in a machine (as by controlling the supply of fuel) | a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing |
an official responsible for control and supervision of a particular activity or area of public interest | regulator that can be turned to regulate the pitch of the strings of a stringed instrument |
| a prosthesis that replaces a missing leg |
| informal terms for the leg |
| small markers inserted into a surface to mark scores or define locations etc. |