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Webster 1828 Edition

ppr.

Talking; conversing; preaching; discussing; treating at some length or in a formal manner.

discoursing ‎(plural discoursings)

conversation
- 1843, Thomas Carlyle, Past and Present, book 3, ch. IV, Happy
  “I have no appetite; I can't eat!” — “My dear fellow,” answered the Doctor in mildest tone, “it isn't of the slightest consequence;” — and continued his philosophical discoursings with us!
- Charles Dickens, Martin Chuzzlewit
  Mrs Gamp and Mr Sweedlepipe had many deep discoursings on the subject of this mysterious customer […]

discoursing