What does first leave to plead mean?

"First leave to plead" is a legal term often used in court proceedings, indicating that a party must obtain permission from the court before filing a specific pleading or motion. This requirement typically applies in situations where there are procedural rules or prior rulings that necessitate the court's approval. Essentially, it ensures that the court has oversight over the progression of the case and helps prevent frivolous or unnecessary claims from being introduced.