imbrication

noun5

1. •
   A set of tiles or shingles that overlap like the scales of a fish.
2. •
   Overlapping of layers of tissue in wound closure or in correctional or reconstructive surgery.
3. •
   A sedimentary deposition in which small, flat stones are tiled in the same direction so that they overlap.
4. •
   The use of relative positioning, often by varying amounts of indentation, to define hierarchical relationships between elements of code.

   • Only a subset of YAML is used: sequences are only expected to contain scalars and mappings are only expected to contain a scalar or a mapping, but with only one level of imbrication. — 2010
5. •
   A phenomenon occurring in many Bantu languages in which morphemes interweave in certain morphophonological conditions.