comma butterfly(n = noun.animal) comma, polygonia comma - anglewing butterfly with a comma-shaped mark on the underside of each hind wing;
is a kind of brush-footed butterfly, four-footed butterfly, nymphalid, nymphalid butterfly
is a member of genus polygonia, polygonia

brush-footed butterfly, butterfly, butterfly bush, butterfly collector, butterfly effect, butterfly fish, butterfly flower, butterfly nut, butterfly orchid, butterfly orchis, butterfly pea, butterfly plant, butterfly ray, butterfly stroke, butterfly valve, butterfly weed, cabbage butterfly, comma, comma bacillus, danaid butterfly, emperor butterfly, four-footed butterfly, greater butterfly orchid, hairstreak butterfly, inverted comma, lesser butterfly orchid, lycaenid butterfly, milkweed butterfly, monarch butterfly, mourning cloak butterfly, nymphalid butterfly, peacock butterfly, pierid butterfly, polygonia comma, ringlet butterfly, sea butterfly, southern cabbage butterfly, sulfur butterfly, sulphur butterfly, tortoiseshell butterfly, troilus butterfly, vibrio comma