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

• megaloblast
• megaloblastic
• megaloblastic anaemia
• megaloblastic anemia
• megalocardia
• megalocephaly
• megalocyte
• megalohepatia
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• Megapodiidae
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• Megaptera novaeangliae