loadingгерундий или причастие настоящего времени More precise classification: present participle used adjectivally.
Определения
Designated for, used in, or relating to the act of loading goods, cargo, or passengers. Delivery drivers must not park in the loading zone for longer than ten minutes.
In the process of being transferred, initialized, or made ready, especially of data or software. The loading screen remained visible while the game prepared its resources.