What is the meaning of Sift?

To sieve or strain (something).

To separate or scatter (things) as if by sieving.

To examine (something) carefully.

  1. [+object] To scrutinise (someone or something) carefully so as to find the truth.
  2. [+ through (object)] To carefully go through a set of objects, or a collection of information, in order to find something.

[+object] To scrutinise (someone or something) carefully so as to find the truth.

[+ through (object)] To carefully go through a set of objects, or a collection of information, in order to find something.

To move data records up in memory to make space to insert further records.

An act of sifting.

Source: wiktionary.org