spanners
noun
Definitions
A hand tool for adjusting nuts and bolts; a wrench.
Example: Pass me that spanner, Jake; there's just one more nut to screw in.
One who, or that which, spans.
A hand tool shaped like a small crank handle, for winding the spring of a wheel lock on a musket.
A device in early steam engines for moving the valves for the alternate admission and shutting off of the steam.