Hypertext Webster Gateway: "excursus"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Excursus \Ex*cur"sus\, 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.
From WordNet (r) 1.7 (wn)
excursus
n : a message that departs from the main subject [syn: {digression},
{aside}, {divagation}, {parenthesis}]
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