digression

The lectures included lengthy digressions on topics ranging from the professor's dog to the meaning of life.

make digression... by way of digression...

Nature...

More stronger hadde her operacyon

Than she hath nowe in her dygressyon.

By this little digression into Gascony, the Duke had an opportunity... to re-inforce himself with some particular Servants of his.

This digression [of the Sun] is not equall, but neare the Æquinoxiall intersections, it is right and greater, near the Solstices, more oblique and lesser.