Definition of "excursive"

Or evening, in her starry mantle bright,Precedes the slow majestic train of night;In that still hour the mind excursive roves,A heavenly voice the listening spirit moves.

1815, Lydia Sigourney, Moral Pieces in Prose and Verse, Contemplation, page 3

By such means he flattered himself that in time he should subvert her fine understanding, and, by the contamination of her hitherto unsullied mind, reduce her to a level with himself,—and this he meditated to effect by slow and gradual operations, through the medium of her imagination, which he had discovered to be warm and excursive; […]

1838, [Letitia Elizabeth] Landon (indicated as editor), chapter V, in Duty and Inclination: […], volume III, London: Henry Colburn, […], page 61

Then into the quiet room came Susan Nipper and the candles; shortly afterwards, the tea, the Captain, and the excursive Mr Toots, who, as above mentioned, was frequently on the move afterwards, and passed but a restless evening.

1846 October 1 – 1848 April 1, Charles Dickens, Dombey and Son, London: Bradbury and Evans, […], published 1848