• WordNet 3.6
    • n excursus a message that departs from the main subject
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Webster's Revised Unabridged Dictionary
    • n Excursus A dissertation or digression appended to a work, and containing a more extended exposition of some important point or topic.
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Century Dictionary and Cyclopedia
    • n excursus A digression; an excursion.
    • n excursus A dissertation inserted in a work, as an edition of a classic, to elucidate some obscure or important point of the text.
    • ***
Chambers's Twentieth Century Dictionary
    • Excursus a dissertation on some particular point appended to a book or chapter
    • ***


Webster's Revised Unabridged Dictionary
L., fr. excurrere, excursum,. See Excurrent
Chambers's Twentieth Century Dictionary
L. excursioex, out, currĕre, cursum, to run.


In literature:

Note: Compare Heinichen, Excursus iv.
"The History of The Decline and Fall of the Roman Empire Volume 2" by Edward Gibbon
This is not to say, of course, that the excursus in the second stage has been a loss and a defect.
"Pagan & Christian Creeds" by Edward Carpenter
Be not I, but they, blamed for any error, obscurity or omission in my brief excursus.
"The Works of Max Beerbohm" by Max Beerbohm
It is needless to extend further the present excursus on the origin and history of modern pseudo-science.
"Collected Essays, Volume V" by T. H. Huxley
I apologise for this long excursus on the somewhat threadbare subject of the causes of unrest in India.
"Essays in Liberalism" by Various
On these resemblances, see Excursus iii.
"A Literary History of the English People" by Jean Jules Jusserand
That would involve an excursus on Irish topography, which would be, to say the least, out of place.
"St. Bernard of Clairvaux's Life of St. Malachy of Armagh" by H. J. Lawlor
But that is an excursus, and would lead us too far afield.
"Birds of the Rockies" by Leander Sylvester Keyser
But it is time to bring this excursus to an end.
"The Wanderings and Homes of Manuscripts" by M. R. James
Let us not at this moment go into an excursus to inquire who he was and who he was not.
"Christmas Eve and Christmas Day" by Edward E. Hale
In an excursus we shall deal with the language of the Picts.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5" by Various
With Excursus on Several Grammatical Subjects.
"Dante. An essay." by R. W. Church
It is needless to extend further the present excursus on the origin and history of modern pseudo-science.
"Essays Upon Some Controverted Questions" by Thomas H. Huxley
Illustrations of the Private Life of the Ancient Greeks with notes and excursuses.
"A Catalogue of Books in English Later than 1700 (Vol 1 of 3)" by Various
With Notes Critical and Practical, Introductions, and Excursuses.
"A Classified Catalogue of Selected Works Published by George Bell and Sons" by Anonymous
Examined; Example; Exception; Excursus; Executive; Export.
"Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)" by Various
An excursus upon Napoleon had got into the torrent somehow and kept bobbing up and down.
"Kipps" by H. G. Wells
With Notes and Excursuses.
"A Classified Catalogue of Works in General Literature Published by Longmans, Green, & Co." by Various
I make this remark in regard to the Excursus of Bekker, in his Charikles, i.
"Plato and the Other Companions of Sokrates, 3rd ed. Volume I (of 4)" by George Grote
The story is of no particular interest, but the notes and excursuses are of the first importance.
"The Private Life of the Romans" by Harold Whetstone Johnston

In news:

It also confines itself to the Western Empire, to Italy, Africa, and Gaul, with just a brief excursus to Palestine when Jerome goes there.

In science:

This brief excursus highlights the physical link between protostellar and PMS evolution and justifies the notion that young massive stars have a distinctively different early evolution than the lower mass counterparts.
Stellar evolution before the ZAMS
Excursus on Luhmann's Appropriation of the Philosophy of the Subject through Systems Theory.
Luhmann's Communication-Theoretical Specification of the 'Genomena' of Husserl's Phenomenology
General strategy towards quantisation Here as a kind of motivating excursus we would like to briefly sketch the further strategy towards quantum theory.
Complex Ashtekar variables and reality conditions for Holst's action