butterbur

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas

Etymology

From butter + bur: its large leaves were once used to wrap butter.

In classic literature

Synonyms

bog rhubarb, Petasites hybridus, Petasites vulgaris

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