0 a metal tool with parts that can be moved to tighten or unfasten any size of nut or bolt:
The easiest way to undo and do up nuts is with an adjustable spanner.
Use an adjustable spanner to turn the valve clockwise.
Full instructions are included, and all you need are an adjustable spanner, screwdriver and penknife.
When the train broke down, the driver appealed to passengers for an adjustable spanner.
There's an adjustable spanner in the car's tool kit.
A socket wrench or adjustable spanner is then used to turn the hexagonal bar further in the same direction.
It was during the years in his workshop that he invented the adjustable spanner and the plumber wrench.
Monkey wrenches are another type of adjustable spanner with a long history; the origin of the name is unclear.
The tool of the trade of the theatrical master electrician is the adjustable spanner or crescent wrench, used to secure stage lighting instruments from lighting positions in the theatre.