In Pennsylvania land law. Any significant body of contiguous tracts surveyed in title of the identical warrantee, without regard to the way in which where they were originally positioned ; a body of contiguous tracts located by external outlines, although not separated from one another by interior lines. Morrison v. Seaman, 183 Pa. 74, 38 Atl. 710; Ferguson v. Bloom, 144 Pa. 549, 23 Atl. 49.