riprap
riprap · ripraps
An underwater bank seen as a danger to shippingAn underwater bank seen as a danger to shipping.
/ˈɹɪpɹap/
Meaning
2 senses(countable, uncountable)An underwater bank seen as a danger to shipping.
(Canada, US, countable, uncountable)Rocks or other materials used to shore up an embankment, deter or prevent erosion, guide shipping, or serve as a temporary mooring.
Origin
Apparently a reduplication (with vowel dissimilation) of rap (“blow, stroke”).Apparently a reduplication (with vowel dissimilation) of rap (“blow, stroke”).
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Forms
plural: riprapsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable