Definition

A collection of broken stones placed together to create a strong base or to prevent erosion, often used in water or on soft ground.

Example

The construction crew used riprap to stabilize the riverbank and prevent erosion during heavy rains.

Conversation

Have you seen the riprap they installed by the river?

Yeah, it looks great and should help with erosion.

I wonder how long it took them to lay all those stones.

Probably a while, but it's definitely worth the effort.

Synonyms & Antonyms

Definition

To build or reinforce a structure using loose stones or rocks to prevent erosion or damage from water.

Example

The workers will riprap the riverbank to protect it from flooding.

Tense Forms

Conversation

I heard they are going to riprap the riverbank to prevent erosion.

That sounds like a smart idea; it should really help with flooding issues.

Yeah, I think it will make the area safer for everyone.

Root Explanation

Riprap originates from the Middle English 'riprappe', which is a combination of 'rip' (meaning to tear or break) and 'rap' (meaning to strike or hit). The term refers to a layer of loose stones used to protect soil from erosion, suggesting the action of breaking or striking the earth with stones.

Memory Tip

Think of 'tearing' ('rip') and 'striking' ('rap') the ground with stones to remember that riprap is used to protect against erosion.

Visually Confused Words