This meaning refers to containers made of tinplate or another thin metal.
The cupboard contained several tins of beans.
Empty biscuit tins were stacked on the shelf.
This use refers to the contents of individual metal containers, especially canned food.
We opened two tins for dinner.
She donated several tins to the food bank.
This is the third-person singular form of tin and means applying a thin layer of tin to another metal.
The factory tins the steel to prevent corrosion.
The process tins each copper connector.
This verb meaning refers to sealing food in metal containers for preservation.
The company tins fish near the port.
She tins fruit at the end of summer.