noun
definition
A fuller treatment (in a separate section) of a particular part of the text of a book, especially a classic.
definition
A narrative digression, especially to discuss a particular issue.
Examples of excursus in a Sentence
Hamilton encouraging the confusion by speaking of "psychology or metaphysics," 1 while his lectures on metaphysics are mainly taken up with what belongs in the strictest sense to psychology proper, with an occasional excursus (as in the theory of perception) into epistemology.
It may be appropriate to make a short excursus into Hume's examination of miracles.
His career may be studied in Hesiod; in the splendid Prometheus vinctus of Aeschylus, with the scholia; in Heyne's Apollodorus; in the excursus (I) of Schi zius to the Aeschylean drama, and in the frequently quoted work of Kuhn.
See Driver, Commentary on Genesis, excursus i.
In accordance with this we can give the relative positions of the various tribes, and an excursus on the rivers (47-57) lets us define their actual seats.
Everything he published in later life may be called a commentary, an excursus or a scholium to his main book; and many of them are decidedly of the nature of commonplace books or collectanea of notes.
In a special excursus of considerable length he has paid a tribute of the highest order to monachism, and in his characterization of Theodosius II.