sulphur butterfly(n = noun.animal) sulfur butterfly - any of numerous yellow or orange butterflies;
is a kind of butterfly
is a member of family pieridae, pieridae

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 butterfly, danaid butterfly, emperor butterfly, four-footed butterfly, greater butterfly orchid, hairstreak butterfly, lesser butterfly orchid, lycaenid butterfly, milkweed butterfly, monarch butterfly, mourning cloak butterfly, native sulphur, nymphalid butterfly, peacock butterfly, pierid butterfly, ringlet butterfly, sea butterfly, southern cabbage butterfly, sulfur butterfly, sulphur, sulphur bacteria, sulphur dioxide, sulphur hexafluoride, sulphur mine, sulphur oxide, tortoiseshell butterfly, troilus butterfly