(n)a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away, Syn.bulwark, seawall, mole, groyne, groin, jetty
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
v. t. [ F. rogner, OF. rooignier, to clip, pare, scare, fr. L. rotundus round See Rotund. ] To bite; to gnaw. [ Written also roin. ] [ Obs. ] Spenser. [ 1913 Webster ]