different between horning vs sirening

English

From Middle English hornyng; equivalent to horn +? -ing.

horning

horning (countable and uncountable, plural hornings)

The activity of blowing the horn of a train.
The appearance of the Moon when increasing, or in the form of a crescent.
- 1646, John Gregory, Notes and Observations upon some Passages of Scripture
  the Horning, which is the cau?e why they ?et up in their Steeples a Cre?cent
(US, historical) A mock serenade with tin horns and other discordant instruments by way of showing public disapproval.
(law, Scotland) The issuing of letters of horning.

sirening

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