Webster's 1828 Dictionary
TINNING
ppr. [from tin. ] Covering with tin or tinfoil.
TINNING
n.The act, art or practice of covering or lining any thing with melted tin or with tinfoil, as kitchen utensils, locks, bits, etc.
Webster's 1913 Dictionary
TINNING
TINNING Tin "ning, n.
1. The act, art, or process of covering or coating anything with melted tin, or with tin foil, as kitchen utensils, locks, and the like.
2. The covering or lining of tin thus put on.
Oxford Dictionary
tinning
tin |ning ▶noun [ mass noun ] 1 the action of covering or coating something with tin. 2 tin mining.
The Wordsmith Dictionary