Source : WordNet®

jellyfishes
     See {jellyfish}

jellyfish
     n 1: large siphonophore having a bladderlike float and stinging
          tentacles [syn: {Portuguese man-of-war}, {man-of-war}]
     2: any of numerous usually marine and free-swimming
        coelenterates that constitute the sexually reproductive
        forms of hydrozoans and scyphozoans [syn: {medusa}, {medusan}]
     [also: {jellyfishes} (pl)]