catechu

n. 兒茶

學術名詞

• 兒茶：藥學、獸醫學、植物學、中醫
• 棕兒茶：藥學
• 阿仙藥：植物學

英文釋義

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