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.
Can wrench. A can wrench is a wrench made to open a telco can or demarcation point box. One end of the can wrench is a 7/16 of an inch hex socket, and the other end is 3/8 of an inch hex socket. They are often insulated against electric shock.