This is nothing but reviewing the Test Cases.
Here your Test Cases will be given to other Tester and you 
will get the others test cases to review.

By the review of the Test cases we will know that whether 
we have missed any functionality and do they have the 
standards.

This is reviewing test cases.
test cases is reviwed by test lead.By this Review we can 
anlyze ,wht funtionalities is missed in testcases.Have we 
wrote the best testcases to findout the errors.

A Test case review is nothing but a review done by the 
senior member or a Team Lead from Testing Department. The 
use of this is whether correct testcases are writen, all 
test cases writing standatrds are met or not,whether with 
this testcases we can test all paths in the application and 
with this testcases whether we can find the undetected Bugs.

Test case is nothing but a simple review of test cases
according to application to find undiscovered error and to
test that all test cases are covering all paths of
application. Mainly it is done when any change has been done
in application .we review all test cases so that any path of
any application should not go ?untested?.