a. To flutter or flit like a butterfly. Frequently with about, around, etc.
†b. To avoid an exclusive commitment to one romantic partner; to dally, to flirt. Obsolete.
2. transitive. To split (a piece of meat or fish) almost in two and spread it out flat. Cf. butterfly n. Compounds 1a(d).
ˈbutterflied adj. (of a piece of meat or fish) split almost in half and opened flat.
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