1) lying round about, neighbouring
1a) the region round about
1b) the region of Jordan
Part of Speech: adjective
From G4012 and G5561; around the region, that is, circumjacent (as noun, with G1093 implied, vicinity): - country (round) about, region (that lieth) round about.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root περίχωρος; click on the second column to search for that grammatical form of the root περίχωρος; click on the third column to search for that word and grammatical form; click on the total to search for the root περίχωρος.