D defs.my
Entry 1 sense Webster, 1913

Discursion

/dĭskûrʹzhən/ · Dis·cur·sion · IPA /dɪˈskɝʒən/
01 n. The act of discoursing or reasoning; range, as from thought to thought.
  1. 1.
    The act of discoursing or reasoning; range, as from thought to thought.