What does hefferd mean?

"Hefferd" is not a widely recognized term in English and does not have a standard definition. It may be a misspelling or a variation of another Word, or it could refer to a specific name or concept within a niche context, such as literature or a specific community. If you meant "heifer," it refers to a young female cow that has not yet borne a calf. For clarity, additional context may be needed to provide a more accurate answer.