catechu

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods;
source of black catechu
• Syn:
Jerusalem thorn, Acacia catechu
• Hypernyms:
acacia
• Member Holonyms:
genus Acacia
• Substance Meronyms:
black catechu
2. extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails;
formerly used medicinally
• Syn:
black catechu
• Hypernyms:
infusion, extract
• Substance Holonyms:
Jerusalem thorn, Acacia catechu