Gramme

Webster's Dictionary of the English Language

·noun ·same·as Gram the weight.

II. Gramme ·noun The unit of weight in the metric system. It was intended to be exactly, and is very nearly, equivalent to the weight in a vacuum of one cubic centimeter of pure water at its maximum density. It is equal to 15.432 grains. ·see Grain, ·noun, 4.