Definition of "rock-bound" [rock-bound]

• Hemmed in by rocks.

The Century Dictionary (Public Domain)

• "Keeping carefully out of sight, I followed the crest along for a couple of miles to a natural amphitheatre in the hills, where the little river raced down out of a gorge and stopped for breath in a large and placid rock-bound pool."
• "To extract the rock-bound crude, explorers and producers will boost spending this year by an estimated 8.1% to $93.6 billion, according to a Barclays Capital survey of 210 companies."
• "It was a rock-bound coast, with one patch of beach in many miles, and the law was that I should dig my hands into the sand and draw myself clear of the surf."