tinning Definition

tin
noun

1. chem.
(symbol Sn, atomic number 50) a soft silvery-white metallic element obtained from ores such as cassiterite and used as a thin protective coating for steel, eg in ‘tin' cans, and as a component of various alloys, eg bronze, pewter and solder.
2. An airtight metal container, often composed of steel coated with a thin layer of tin, used for storing food.

Example: a biscuit tin
3. Any of several containers of different shapes and sizes made usually of tin or aluminium and in which food is cooked.
4. A tinful.
5. A strip of tin along the bottom of the front wall of a squash court.
(Brit)
6. slang
Money.

adj

1. Made of tin.

verb tinned, tinning

1. To pack (food) in tins; to can.
2. To cover or coat with tin. See also tinny.

Etymology: Anglo-Saxon.