I. | ̷ ̷ ̷ ̷| ̷ ̷ verb
Etymology: over (I) + lap
transitive verb
1. : to extend over and cover a part of : lap over : overlie
the vertical siding has overlapped joints — American Guide Series: North Carolina
if branches of a tree overlap the boundary of a neighbor — F.D.Smith & Barbara Wilcox
2. : to have something in common with : comprehend elements of : coincide in part with
every personality overlaps every other personality — Encyc. Americana
the baroque period overlaps the rococo
intransitive verb
1. : to lap over : occupy the same area in part
the two towns … now overlap — American Guide Series: Oregon
2. : to have something in common : coincide in part
the realm where philosophy and psychology overlap — L.W.Beck
believe that aesthetics partly overlaps with ethics — Peter Viereck
II. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
1.
a. : the condition or relationship of things that overlap : an instance of such a condition or relationship
found to have unexpected areas of overlap — Times Literary Supplement
this incongruous overlap of civilization and savagery — Time
b. : the extent to which or the area in which one thing overlaps another
provide a good overlap between the jacket and trousers — H.G.Armstrong
a large overlap between emotions and their understanding — S.J.Beck
c. : a part that overlaps
2. : overhang d
3. : the position of two ships when one overtaking the other cannot without dropping astern pass on the other side from that on which she is approaching and when the ships cannot turn toward each other without the risk of fouling
4. : a geological unconformity in which each successively younger bed within the younger group of strata extends beyond the edge of the next older bed
5. : an area of deposited metal that is not fused to the parent metal in welding
6. : a section of railroad track controlled by one signal that extends into territory controlled by another signal