The term HOUSE SITE can be broken down into two crossword solutions: TREE and LOT. TREE is a 4 letter word that refers to a woody perennial plant typically having a single stem or trunk growing to a considerable height and bearing lateral branches at some distance from the ground. LOT is a 3 letter word that refers to a piece of land, usually of a definite or pre-determined size, used for a particular purpose such as building a house. Together, these two words refer to the site of a house, which is the area of land on which a house is built.