What is Gross Weight?

Legal Definition
The total weight of goods or merchandise, with the chests, bags, and the like, from which. are to be deducted tare and tret.
-- Bouviers Law Dictionary
Legal Definition
The whole weight of goods and merchandise, including the dust and dross, and also the chest or bag, etc., upon which tare and tret are allowed.
-- Black's Law Dictionary
Legal Definition
Weight without deductions.
-- Ballentine's Law Dictionary