black catechu

English Thesaurus

1. extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally (noun.plant)

hypernym	:	extract, infusion,
definition	:	a solution obtained by steeping or soaking a substance (usually in water) (noun.substance)

substance meronym	:	acacia catechu, catechu, jerusalem thorn,
definition	:	East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu (noun.plant)