In Pennsylvania land law. Any considerable body of contiguous tracts surveyed in the name of the same warrantee, without regard to the manner in which they were originally located ; a body of contiguous tracts located by exterior lines, but not separated from each other by interior lines. Morrison v. Seaman, 183 Pa. 74, 38 Atl. 710; Ferguson v. Bloom, 144 Pa. 549, 23 Atl. 49.