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.
monkey wrench, monkey-wrench - adjustable wrench that has one fixed and one adjustable jaw. pipe wrench, tube wrench - adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe. screw wrench - adjustable wrench that has one jaw that can be adjusted by turning a screw. spanner, wrench - a hand tool that is used to hold or twist a nut or bolt.