Lever usually refers to a lever used to maneuver or barely elevate a heavy object.
In maritime, it means an arm fabricated from arduous wooden or iron, which is connected to the slots on the pinnacle of the capstans operated by human energy on crusing ships and used to show across the capstan and used for the anchor of the ropes.
MEANING ACCORDING TO TDK
The phrase lever, which is some of the used phrases in our language, is of Italian origin.
In accordance with TDK, the which means of the phrase lever is as follows:
– An arm that rotates round some extent to which one finish is connected