WordWeb Online

1. Covering with a design in which one element covers a part of another (as with tiles or shingles)
   - imbrication, lapping

1. Coincide partially or wholly
   "Our vacations overlap"
    
2. Extend over and cover a part of
   "The roofs of the houses overlap in this crowded city"

Derived forms: overlappings

Type of: coincide, continue, cooccur, co-occur, cover, covering, extend

Encyclopedia: Overlap