Definition of discoursed:
(n) :
(uncountable) Expression in words, either speech or writing.
(n) :
(countable) A conversation.
(n) :
(countable) A formal lengthy exposition of some subject, either spoken or written.
(v) :
(intransitive) To engage in discussion or conversation; to converse.
(v) :
(intransitive) To write or speak formally and at length.
(n) :
(social sciences, countable) An institutionalized way of thinking, a social boundary defining what can be said about a specific topic (after Michel Foucault).