catechu

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally
  2. noun East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu

Etymology

Probably a corruption of the Malay kacu.

In classic literature

Synonyms

black catechu

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