Safetys
Safetys is a term that can refer to a few different concepts, primarily related to safety measures or devices. In its most general sense, it is the plural of "safety," encompassing all aspects of protection from harm, danger, or risk. This can include physical safety, such as the safety provided by railings on a staircase or the safety features of a vehicle, like airbags.
More specifically, "safetys" can refer to safety devices. For example, in a mechanical context, it might denote