[ Ссылка ] [ Ссылка ] An explanation of the noun and verb sap. Sap can be the liquid that is the vascular system of a plant , to sap means to slowly drain the live, energy or power of something , a sap is a trench dug under a city wall by an attacking army , a sap is an informal American word for a foolish person who is easily deceived and finally it is an American word for a club (from sapling)
