pub ‧ lish ‧ er W3 AC /ˈpʌblɪʃə $ -ər/ BrE AmE noun [countable]
[ Word Family: noun : ↑ publisher , ↑ publishing ; verb : ↑ publish ; adjective : published ≠ ↑ unpublished ]
a person or company whose business is to arrange the writing, production, and sale of books, newspapers etc