Bible Dictionaries
Riprap

Webster's Dictionary

(1):

(n.) A foundation or sustaining wall of stones thrown together without order, as in deep water or on a soft bottom.

(2):

(v. t.) To form a riprap in or upon.

Bibliography Information
Webster, Noah. Entry for 'Riprap'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​r/riprap.html. 1828.