The definition of sibilance is when something has an s or sh sound. An example of sibilance is the hissing of a snake.
A wrench (or spanner outside of North America) is a tool used to provide grip and mechanical advantage in applying torque to turn objectsâusually rotary fasteners, such as nuts and boltsâor keep them from turning. In Commonwealth English (excluding Canada), spanner is the standard term.
socket wrench-a wrench with a handle onto which sockets of different sizes can be fitted. sparkplug wrench-a wrench for removing or tightening spark plugs into the cylinder head of an internal combustion engine.