Shorthorns are a type of cattle breed known for their quality meat and milk production. However, if you are looking for synonyms for this term, you could use words such as "Durham cattle" or "Durham shorthorns," as this breed originated from County Durham in England. Another term you could use is "Cumberland cattle," as they were also bred primarily in the northern regions of England. Additionally, you could use the term "milking shorthorns" or "beef shorthorns" to specify the type of purpose for which these cattle are bred. Finally, you could use the term "red shorthorns" to describe their distinctive appearance.