catechu

indénombrable

A noun referring to an extract from the heartwood of the Acacia catechu tree, historically used in dyeing, tanning, and preserving fishnets and sails, as well as in traditional medicine.

• 🇫🇷Substance extraite du cœur du bois de l'acacia catechu, historiquement utilisée pour la teinture, le tannage, la conservation des filets de pêche et des voiles, ainsi qu'en médecine traditionnelle.

1. Extract from heartwood C2 formal technical

   A brown, astringent extract obtained from the heartwood of the Acacia catechu tree, used historically in dyeing, tanning, preserving fishnets and sails, and in traditional medicine.

   • The fishermen used catechu to preserve their nets from rotting.
   • In traditional medicine, catechu was applied to treat digestive issues.
   • The tannery imported catechu for its high-quality tanning properties.

   🇫🇷Cachou

   Synonymes: black catechucutch

2. Tree species C2 formal technical

   An East Indian spiny tree (Acacia catechu) with twice-pinnate leaves and yellow flowers, which produces flat pods and is the source of black catechu.

   • The catechu tree is native to parts of Asia and is valued for its wood.
   • Botanists studied the catechu tree for its unique bark properties.
   • The yellow flowers of the catechu tree bloom in the dry season.

   🇫🇷Acacia catechu

   Synonymes: black catechu

• catechus plural form
• catechus' possessive plural form
• catechu's possessive singular form