What is the other name for ferrum?

Could you please clarify what the term "ferrum" refers to in this context? Is it referring to a specific element, a concept, or something else entirely? Assuming it's referring to the chemical element iron, the other name for ferrum, commonly used in scientific and technical contexts, is "iron". Is there a particular reason why you're asking about the alternative name for ferrum, or are you simply curious about the terminology?