Definition of excursus in English:


Line breaks: ex|cur¦sus
Pronunciation: /ɪkˈskəːsəs
, ɛk-/

noun (plural same or excursuses)

1A detailed discussion of a particular point in a book, usually in an appendix.
More example sentences
  • This reversal is the subject of Herodotus' detailed account in the long excursus he consecrates in Book 3 to the theme of the hostility between Corinth and her colony Corcyra.
  • In lieu of that volume, he has presented excursuses on reflexivity in most of the half-dozen books he has published.
  • Book 2 takes the form of a massive excursus on the geography, customs, and history of Egypt, which was the next target of Persian expansionism, under Cyrus' son and successor, Cambyses.
1.1A digression in a written text.
More example sentences
  • If this is so, far from sidelining the importance of the moral environment, the excursus through determinism will catapult it to the head of the agenda.
  • A number of excursuses also reduce the need for repetition by producing informative essays to which cross-reference can be made.
  • The book is divided into three parts, with seven chapters in all; the work includes also four small excursuses.


early 19th century: from Latin, 'excursion', from excurrere 'run out'.

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walk or travel at a leisurely pace