Overlie is a verb which means to lie on top of something else. The crossword solutions for this term are LAP (3 letters) and OVERLAP (7 letters). LAP is a verb which means to lie partly over or around something, while OVERLAP is a verb which means to extend over and cover a part of the same space or area as something else. Both of these terms can be used to describe the action of one object lying on top of another.