The pound or pound-mass (abbreviations: lb, lb m, lbm, ℔) is a unit of mass used in the imperial, United States customary and other systems of measurement.A number of different definitions have been used, the most common today being the international avoirdupois pound which is legally defined as exactly 0.45359237 kilograms.. Pound, Virginia, a town; Pound, Wisconsin, a village It is subdivided into 100 pence (singular: penny, abbreviated: p). The same symbol is (or was) used for similarly named currencies in some other countries and territories, such as the Irish pound, Gibraltar pound, Australian pound, and Italian lira. The History of the Number Sign. Pound (currency), a unit of currency Pound sterling, the official currency of the United Kingdom; Pound (mass), a unit of mass Pound (force), a unit of force Rail pound, in rail profile; Symbols. ››Measurement unit: pound inch. Pound sterling (symbol: £; ISO code: GBP), known in some contexts simply as the pound or sterling, is the official currency of the United Kingdom, Jersey, Guernsey, the Isle of Man, Gibraltar, South Georgia and the South Sandwich Islands, the British Antarctic Territory, and Tristan da Cunha. The symbol for a pound as a unit of weight. £ is pound sign # is a hash symbol – Anonymouse Feb 18 '15 at 14:28 8 @Anonymouse: Except in American English, where # is a pound sign (sometimes used to represent a pound weight), hash is banned in most states, and £ is a symbol of colonial oppression. Units. The hash sign can be traced to a Roman unit of measure, the libra pondo (or “pound weight”). Pound symbol synonyms, Pound symbol pronunciation, Pound symbol translation, English dictionary definition of Pound symbol. Full name: pound inch Plural form: pound inches Symbol: lb-in Alternate spelling: pound-inches Category type: torque Scale factor: 0.11298482933333 ›› SI unit: newton meter The SI derived unit for torque is the newton meter. This was sometimes abbreviated to the symbol “℔,” which evolved into “#” by the nineteenth century. The word libra referred to balance or scales in Roman times and was also part of a unit of measurement known as "libra pondo," which when translated is "pound weight" or "a pound by weight." The traditional English apothecaries' system of weights is as shown in the table, the pound, ounce and grain being identical to the troy pound, ounce and grain.In the United Kingdom, a reform in 1826 made the troy pound the primary weight unit (a role in which it was superseded half a century later by the Avoirdupois pound), but this had no effect on apothecaries' weights. Americans: blame the English. n. 1. The pound became an English unit of weight and was so named because it originally had the value of one tower pound (~334 grams) of fine (pure) silver. Pound sign, the symbol for the pound sterling, £; Number sign (also pound sign), the symbol #; Places in the United States. At present, one (1) pound is defined in terms of the kilogram, the base unit of the International System of Units (SI). The pound of force or pound-force (symbol: lbf, sometimes lb f,) is a unit of force used in some systems of measurement including English Engineering units and the foot–pound–second system. The pound (lb) is a non-metric unit of mass used in the United States customary and Imperial systems of measurement. In particular, one (1) pound is defined as equal to 0.45359237 kilograms. The symbol for a unit of currency, especially the pound sterling. By this point, it was widely known as a “number sign” when used before a number: Please answer question #2. English: blame the Americans. One pound is divided into 16 ounces.