Open English Wordnet
Nouns
(n)butterflydiurnal insect typically having a slender body with knobbed antennae and broad colorful wings (n)butterfly, butterfly strokea swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down Verbs
(v)butterflycut and spread open, as in preparation for cooking“butterflied shrimp” (v)chat up, flirt, dally, butterfly, coquet, coquette, romance, philander, mashtalk or behave amorously, without serious intentions“The guys always try to chat up the new secretaries”,
“My husband never flirts with other women”