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.
The wrench light on a car dashboard means that the vehicle is due for maintenance. Different automakers use variations of this light, such as a car with a wrench in the middle, but a wrench is always incorporated in some way. Keep Learning.