How do you spell Lading

Available Definitions:
1)  n. - The act of loading.
2)  n. - That which lades or constitutes a load or cargo; freight; burden; as, the lading of a ship.
3)  v. t. - To transfer (the molten glass) from the pot to the forming table.
4)  v. t. - To draw water.
5)  v. t. - To admit water by leakage, as a ship, etc.
6)  n. - The mouth of a river.
7)  n. - A passage for water; a ditch or drain.