fritillary

As nouns the difference between butterfly and fritillary

is that butterfly is a flying insect of the order lepidoptera , distinguished from moths by their diurnal activity and generally brighter colouring while fritillary is any of several bulbous perennial plants, of the genus (l) , having flowers with a spotted or chequered pattern.

As a verb butterfly

is to cut almost entirely in half and spread the halves apart, in a shape suggesting the wings of a butterfly.