Nest location can refer to the place where a bird or other animal builds its home. The two crossword solutions for this term are 'tree' and 'treetop'. Tree is a four 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. Treetop is a seven letter word that refers to the uppermost part of a tree, where the leaves and branches are located.