A man-made pile of rocks and rubble often surrounding an off-shore lighthouse or as a base for an aid to navigation.
A man-made pile of rocks and rubble often surrounding an off-shore lighthouse or as a base for an aid to navigation.
Broken rock, deposited loosely on a riverbed or on the banks to help prevent erosion. It is also used to form breakwaters and embankments.
Rip-Rap is London Cockney rhyming slang for to borrow (tap).