The Collaborative International Dictionary
Environ \En*vi"ron\, v. t. [imp. & p. p. Environed; p. pr. & vb. n. Environing.] [F. environner, fr. environ about, thereabout; pref. en- (L. in) + OF. viron circle, circuit, fr. OF. & F. virer to turn, LL. virare to turn up and down, topsy-turvy. Cf. Veer.] To surround; to encompass; to encircle; to hem in; to be round about; to involve or envelop.
Dwelling in a pleasant glade,
With mountains round about environed.
--Spenser.
Environed he was with many foes.
--Shak.
Environ me with darkness whilst I write.
--Donne.
Wiktionary
vb. (present participle of environ English)
Usage examples of "environing".
Then with his new glasses, which dispersed the environing mists up to a certain point, but not nearly as well as his old ones had done, had started on the flight that continues -- such is the doggedness of his pursuers!
From Ostenholz to Essel his mouth full of self-defense and names aimed not only at the dog but at the whole environing world.