D defs.my
Entry 1 sense Webster, 1913

Butterbur

· But·ter·bur · IPA
01 n. A broad-leaved plant (Petasites vulgaris) of the Composite family, said to have been used in England for wrapping up pats of butter.
  1. 1.
    A broad-leaved plant (Petasites vulgaris) of the Composite family, said to have been used in England for wrapping up pats of butter.(Bot.)