noun

• 1A kettle of tinned iron.

  Generally regarded as of inferior quality, or typical of a poor household.

• 2A metal kettle, pan, etc., that is beaten to make a cacophonous noise, either in celebration or to show opprobrium, especially on the part of a large group of people. Compare "tin pan". Now chiefly historical.

  With use in the context of serenading newly-weds, compare
  tin-kettle
  ,
  tin-kettler
  , and "tin-kettling".

• 3 rare Extended and allusive uses. A piano of poor quality.