From Middle English discussen, from Middle French - and Anglo-Norman discusser (French discuter), from Latin discussus, past participle of discutiō ("to strike or shake apart, break up, scatter; examine, discuss"), from dis- ("apart") + quatiō ("to shake").

• (British) IPA: /dɪˈskʌs/, /dɪˈskʊs/
• (America, Canada) IPA: /dɪˈskʌs/
• (Australia) IPA: /dɪˈskas/

discuss (discusses, present participle discussing; simple past and past participle discussed)

1. (transitive) To converse or debate concerning a particular topic.

   Let's sit down and discuss this rationally.

   I don't wish to discuss this further. Let's talk about something else.

2. (transitive, obsolete) To communicate, tell, or disclose (information, a message, etc.).
   • c. 1597 (date written), William Shakespeare, “The Merry Wiues of Windsor”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act I, scene iii]:

     Nym: I will discuss the humour of this love to Page.

   • 1599 (date written), William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act IV, scene i]:

     Pistol: Discuss unto me; art thou officer? Or art thou base, common and popular?

3. (obsolete, transitive) To break to pieces; to shatter.
4. (obsolete, transitive, colloquial) To deal with, in eating or drinking; consume.
   • 1847 December, Ellis Bell [pseudonym; Emily Brontë], chapter II, in Wuthering Heights: […], volume (please specify |volume=I or II), London: Thomas Cautley Newby, […], →OCLC ↗:

     When the preparations were finished, he invited me with—“Now, sir, bring forward your chair.” And we all, including the rustic youth, drew round the table: an austere silence prevailing while we discussed our meal.

   • 1854, Samuel White Baker, The Rifle and the Hound in Ceylon:

     We sat quietly down and discussed a cold fowl that we had brought with us.

   • 1858, James Hogg, Titan, volume 27, page 306:

     In the first room we entered, a soldier and a man, like a clerk or dominie, were discussing a bottle of red wine; they immediately sprang up and politely proffered us each a bumper.

5. (transitive, legal) To examine or search thoroughly; to exhaust a remedy against, as against a principal debtor before proceeding against the surety.
6. (obsolete, transitive) To drive away, disperse, shake off; said especially of tumors.
   • 1590, Edmund Spenser, “Book III, Canto I”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC ↗:

     For she was giuen all to fleshly lust, / And poured forth in sensuall delight, / That all regard of shame she had discust, / And meet respect of honour put to flight […]

   • June 15, 1751, Samuel Johnson, letter in The Rambler

     The softness of my hands was secured by medicated gloves, and my bosom rubbed with a pomade prepared by my mother, of virtue to discuss pimples, and clear discolourations.

   • 1642, Henry Wotton, A Short View of the Life and Death of George Villiers:

     Many arts were used to discuss the beginnings of new affliction.

• (converse about a topic) bespeak, betalk, debate, talk about

• quash

• French: discuter, s'entretenir sur, débattre
• German: diskutieren, besprechen, erörtern, debattieren
• Italian: dibattere
• Portuguese: discutir
• Russian: обсужда́ть
• Spanish: discutir, conversar