'Recursion' definitions:

Definition of 'recursion'

From: WordNet
noun
(mathematics) an expression such that each term is generated by repeating a particular mathematical operation

Definition of 'Recursion'

From: GCIDE
  • Recursion \Re*cur"sion\ (-sh?n), n. [L. recursio. See Recur.] The act of recurring; return. [Obs.] --Boyle. [1913 Webster]