1 gross is a unit of measurement, for countable items. It is equal to 12 dozen, or 144 pieces. In the same manner, a dozen gross, or 1728 items is called great gross. Small gross or great hundred is used to refer to ten dozen items. If a shop is advertizing to sell a product en gros, this means that it will sell larger quantities.
|The Simple English Wiktionary has a definition for: gross.|