This is the 6802nd most frequent Russian word.
xr
The word "xr" does not exist in standard Russian; it may be a typo or shorthand.
As an object being referred to in an informal or colloquial setting.
Смотри, какой красивый хр здесь нарисован.
Look, what a beautiful XR is drawn here.
As a tool or object, meaning something physically functional.
У него есть специальная хр для завязывания узлов.
He has a special XR for tying knots.
As an idea or concept, denoting some reason or excuse.