Wedge
/wˈɛdʒ/
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Definition
(noun) One of the simple machines; a piece of material, such as metal or wood, thick at one edge and tapered to a thin edge at the other for insertion in a narrow crevice, used for splitting, tightening, securing, or levering.
Sentence Examples
The screw, the lever, the wedge, the pulley, etc. are called simple machines.
More painful than any wedge.
CEFR Practice Quiz
He used a wooden ____ to stop the heavy door from closing while he was moving several pieces of furniture today.