1. surrounded by rocks or having a rocky shore
Usage: often used to describe coastlines
2. hemmed in or confined by rocks

Examples

• The ship approached the rockbound coast with caution.
• Maine’s rockbound shores are famous for their rugged beauty.
• The small cove was completely rockbound, making it difficult to land.
• Fishermen avoided the rockbound inlet during storms.
• The lighthouse warned ships away from the rockbound headland.
• We found ourselves rockbound in the narrow canyon.
• The rockbound harbor provided natural protection from waves.