Pound

noun

1. 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.
2. 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.
3. The symbol # (octothorpe, hash)
4. The unit of currency used in the United Kingdom and its dependencies. It is divided into 100 pence.
5. Any of various units of currency used in Egypt and Lebanon, and formerly in the Republic of Ireland, Cyprus and Israel.