noun

1. communication of ideas, information, etc., esp. by talking; conversation
2. a long and formal treatment of a subject, in speech or writing; lecture; treatise; dissertation
3. Archaic ability to reason; rationality

Etymology: ME & OFr discours < L discursus, discourse < pp. of discurrere, to run to and fro < dis-, from, apart + currere, to run: see current

intransitive verb discoursed -·coursed′, discoursing -·cours′·ing

1. to carry on conversation; talk; confer
2. to speak or write (on or upon a subject) formally and at some length

transitive verb