The phrase "to approach a publisher" means to contact or communicate with a company that publishes books or other written works to possibly pitch or present your own work for consideration to be published by them.
Sentences with «to approach a publisher»
If this is the case, forget the agent and approach the publisher directly. (thecreativepenn.com)
It is also worth noting that even though you have published a successful book independently, in many ways when approaching a publisher you need to start from scratch and produce a manuscript. (readersfavorite.com)
On the other side of the spectrum, approaching publishers for publishing your first poetry books is a huge mistake. (changingthescript.com)