- Word History, Word Explorer
|part of speech:
||a basic tool used to lift or pry things open. A crowbar is one type of lever.
They used a lever to lift the heavy rock.
||a handle used to control or set the position of a part in a machine.
||bar, control, hammer, key
comes from levare
, a Latin word that means "to raise," which comes from levis
, which means "light in weight." The simple machine we call a "lever" allows us to lift a heavy weight as easily as we could a much lighter one.