1. Fragrant black nutlike seeds of the tonka bean tree; used in perfumes and medicines and as a substitute for vanilla
   - tonka bean

Derived forms: coumara nuts

Type of: bean

• left atrium of the heart
• Left Bank
• left brain
• left coronary artery
• left fielder
• left gastric artery
• left gastric vein
• left hand
• left hemisphere
• left stage
• left ventricle
• left-eyed
• left-footed
• left-handed
• left-handed pitcher
• left-handedness
• left-luggage office
• left-of-center
• left-of-centre
• left-slanting
• left-wing
• left-winger
• lefteye flounder
• lefteyed flounder
• leftfield