1) Computer program 2) Computer programme 3) Program 4) Programme 5) Utility software type 1) Deet 
A debugger or debugging tool is a computer program that is used to test and debug other programs (the `target` program). The code to be examined might alternatively be running on an instruction set simulator (ISS), a technique that allows great power in its ability to halt when specific conditions are encountered but which will typically be some.....
an application written to provide tools to aid the process of finding errors in a program
See debugging tool....
[n] - a program that helps in locating and correcting programming errors
noun a program that helps in locating and correcting programming errors