What is the name of shiva dhanush?

The legendary bow of Lord Shiva is called Pinaka. In the Ramayana, it’s also referred to as Shiva Dhanush and was used in King Janaka’s court where Lord Rama broke it during Sita’s swayamvar.

Some texts also describe it as Ajagava. But the most common and widely accepted name is Pinaka, which symbolizes Lord Shiva’s immense power.