Meaning of RECURSION in English

RECURSION

[re.cur.sion] n [LL recursion-, recursio, fr. recurrere] (1616) 1: return

2: the determination of a succession of elements (as numbers or functions) by operation on one or more preceding elements according to a rule or formula involving a finite number of steps

3: a computer programming technique involving the use of a procedure, subroutine, function, or algorithm that calls itself in a step having a termination condition so that successive repetitions are processed up to the critical step until the condition is met at which time the rest of each repetition is processed from the last one called to the first--compare iteration

Merriam-Webster English vocab.      Английский словарь Merriam Webster.