ma·cru·ra \məˈkru̇rə\noun plural Usage: capitalized Etymology: New Latin, from macr- + -ura in some classifications: a suborder of Decapoda comprising crustaceans (as shrimps, lobsters, prawns) with well-developed abdomens — compare brachyura • ma·cru·ral\-u̇rəl\adjective • ma·cru·ran\-u̇rən\adjective or noun • ma·cru·roid\-u̇ˌrȯid\adjective