noun
Computing term for the value a function or method returns to its caller.
この関数の返り値は整数です。
The return value of this function is an integer.
返り値を変数に代入してください。
Please assign the return value to a variable.
Synonym also meaning 'return value'; 返り値 is slightly more common in some programming communities, but both are widely understood.
Compound of 返り (かえり, 'returning') + 値 (ち, 'value'). A straightforward technical coinage.