cocus wood
/ˈkəʊkəs/noun
mass noun
1- hard, heavy timber which blackens with age and is used for musical instruments牙买加乌木。
1.1
- This timber is obtained from the Jamaican ebony (Brya ebenus, family Leguminosae).此木材取自牙买加乌木树（拉丁名Brya ebenus,豆科）。
词源
mid 17th cent.: cocus, of unknown origin.