pound

(noun): A unit of mass equal to 16 avoirdupois ounces (= 453.592 37 g). Today this value is the most common meaning of "pound" as a unit of weight.
(noun): A unit of mass equal to 12 troy ounces (≈ 373.242 g). Today, this is a common unit of weight when measuring precious metals, and is little used elsewhere.
(noun): The symbol # (octothorpe, hash)
(noun): The unit of currency used in the United Kingdom and its dependencies. It is divided into 100 pence.
(noun): Any of various units of currency used in Egypt and Lebanon, and formerly in the Republic of Ireland, Cyprus and Israel.
(noun): Any of various units of currency formerly used in the United States.
(noun): Abbreviation for pound-force, a unit of force/weight. Using this abbreviation to describe pound-force is inaccurate and unscientific.