excursus

Definitions of excursus
1

n a message that departs from the main subject

Synonyms:
aside, digression, divagation, parenthesis
Type of:
content, message, subject matter, substance
what a communication that is about something is about

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.