Crossword solverSynonyms for sea urchin5 crossword answers for “sea urchin” (3,6), sorted by letter count.How many letters?All510211115117110 letters 2echinodermsand dollar(4,6)11 letters 1heart urchin(5,6)15 letters 1edible sea urchin(6,3,6)17 letters 1echinus esculentus(7,10)