ClimateSeptember 3, 2026

riprap

RIP-rap

Definition

A layer of stones or other coarse material placed along a shoreline or riverbank to prevent erosion or damage from currents.

Etymology

Originating in the mid-18th century, the term likely combines 'rip' (a stretch of turbulent water) and 'rap' (a blow or strike), referring to the sound or action of water hitting the stones.

In the news

A student mentions a stream being freed from riprap to illustrate how environments can naturally heal and carve their own paths when human structures are removed.

Faith in Stumps

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Earth Island Institute

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