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catechu, Jerusalem thorn, Acacia catechu | East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu ❲Acacia catechu❳ | ||
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catechu, black catechu | extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally |