Definition of "nesting"

nesting

/ˈnɛstɪŋ/

verb
1. present participle and gerund of nest
noun
plural nestings
1. The process by which a bird nests.
2. (programming) The enclosure of one self-contained element of code inside another.
  Quotations
  The positioning of a control structure inside another control structure is called nesting e.g. nested-IF and nested-loop.
  2013 September 10, Sara Shahzad, Ibrar Ahmad, Mir Muhammd Suleman Sarwar, “Cyclomatic complexity: The nesting problem”, in Proceedings of the Eighth International Conference on Digital Information Management (ICDIM 2013)‎ (PDF), Islamabad, Pakistan: Institute of Electrical and Electronics Engineers, archived from the original on 29 May 2023, page 275