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.
An adjustable wrench is a wrench that can be adjusted to different settings, usually for size, to fit a variety of hexagonal nuts. The adjustable wrench is often considered one of the most versatile of tools.