single shell(n = noun.artifact) racing skiff - a shell for a single oarsman;
is a kind of racing shell, shell

argus shell, ark shell, artillery shell, band shell, blank shell, boat shell, bubble shell, coat-of-mail shell, electron shell, gas shell, goroon shell, ioqua shell, lamp shell, line single, line-drive single, maara shell, mask shell, moon shell, oyster shell, patty shell, pie shell, racing shell, scallop shell, scorpion shell, shell, shell bean, shell bean plant, shell collecting, shell corporation, shell entity, shell game, shell ginger, shell jacket, shell out, shell parakeet, shell plating, shell shock, shell stitch, shotgun shell, single, single bed, single combat, single cream, single crochet, single dwelling, single entry, single file, single handed, single minded, single out, single prop, single quote, single stitch, single supplement, single tax, star shell, sugar shell, tank shell, tooth shell, torpedo shell, tortoise shell, tusk shell, whizbang shell