The gate at the entrance of a factory, (in later use) often with reference to the price of goods at the end of the manufacturing process but before any additional costs or expenses have been added (frequently attributive).
Origin
Late 17th century.
Definition of factory gate in US English:
factory gate
noun
The gate at the entrance of a factory, (in later use) often with reference to the price of goods at the end of the manufacturing process but before any additional costs or expenses have been added (frequently attributive).