brain coral
['barracouta, snoek', 'doormat, welcome mat', 'breakwater, groin, groyne, mole, bulwark, seawall, jetty', 'worm fence, snake fence, snake-rail fence, Virginia fence', 'frilled lizard, Chlamydosaurus kingi', 'French loaf', 'panpipe, pandean pipe, syrinx']