#### Property information

**definition**

x surrounded_by y if and only if (1) x is adjacent to y and for every region r that is adjacent to x, r overlaps y (2) the shared boundary between x and y occupies the majority of the outermost boundary of x

**has curation status**

http://purl.obolibrary.org/obo/IAO_0000125

**temporal interpretation**

http://purl.obolibrary.org/obo/RO_0001901

**term editor**

Chris Mungall