{ , n. A small, purplish, branching, cartilaginous seaweed (Chondrus crispus), which, when bleached, is the Irish moss of commerce. [ Also written carragheen, carageen. ] [ 1913 Webster ]

{ , n. a colloidal material obtained from seaweed or Irish moss, used as an thickening or emulsifying agent and for stabilizing foods, cosmetics, and pharmaceuticals. [ PJC ]