|
|
| extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally | |||
|
|
| East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu | |||
|
|
| tannin extract derived from any of several mangrove barks of Pacific areas |