excursus

• POS: Noun
• HYPHEN: ex=cur=sus

CIDE DICTIONARY

excursus, n. [L., fr. excurrere, excursum. See Excurrent.].

 A dissertation or digression appended to a work, and containing a more extended exposition of some important point or topic.  [1913 Webster]

OXFORD DICTIONARY

excursus, n.
1 a detailed discussion of a special point in a book, usu. in an appendix.
2 a digression in a narrative.

Etymology

L, verbal noun formed as EXCURSION

ROGET THESAURUS

excursus

Dissertation

N dissertation, treatise, essay, thesis, theme, monograph, tract, tractate, tractation, discourse, memoir, disquisition, lecture, sermon, homily, pandect, excursus, commentary, review, critique, criticism, article, leader, leading article, editorial, running commentary, investigation, study, discussion, exposition, commentator, critic, essayist, pamphleteer, discursive, discoursive, disquisitionary, expository.