DISCUSSION

discussion, treatment, discourse

(noun) an extended communication (often interactive) dealing with some particular topic; “the book contains an excellent discussion of modal logic”; “his treatment of the race question is badly biased”

discussion, give-and-take, word

(noun) an exchange of views on some topic; “we had a good discussion”; “we had a word or two about it”

Source: WordNet® 3.1

Etymology

Noun

discussion (countable and uncountable, plural discussions)

Conversation or debate concerning a particular topic.

Text giving further detail on a subject.

(medicine, obsolete) The dispersion of a tumour.

Source: Wiktionary

Dis*cus"sion, n. Etym: [L. discussio a shaking, examination, discussion: cf. F. discussion.]

1. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like.

2. The act of discussing or exchanging reasons; examination by argument; debate; disputation; agitation. The liberty of discussion is the great safeguard of all other liberties. Macaulay. Discussion of a problem or an equation (Math.), the operation of assigning different reasonable values to the arbitrary quantities and interpreting the result. Math. Dict.

Source: Webster’s Unabridged Dictionary 1913 Edition