tonka bean

noun

A black wrinkled seed of a neotropical legume tree of species Dipteryx odorata, used as a perfume and vanilla substitute due to its high coumarin content.

Similar
coumara nuttonka bean treeCoumarouna odorataDipteryx odorata

Meanings

nountonka bean (plural tonka beans)

plural tonka beans · alternative tonca bean · alternative tonga bean · alternative tonqua bean · alternative tonquin bean

  1. A black wrinkled seed of a neotropical legume tree of species Dipteryx odorata, used as a perfume and vanilla substitute due to its high coumarin content.

    Like when she and Seema […] climb the tonka bean tree.

    2022, Ayanna Lloyd Banwo, When We Were Birds, Hamish Hamilton, page 155

Synonyms & antonyms

nounfragrant black nutlike seeds of the tonka bean tree; used in perfumes and medicines and as a substitute for vanilla

Similar
coumara nut
Broader

nountall tropical South American tree having pulpy egg-shaped pods of fragrant black almond-shaped seeds used for flavoring

Similar
tonka bean treeCoumarouna odorataDipteryx odorata
Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Kari'natonka
  2. Guyanese Creole Englishtonka
  3. Englishtonka bean

Likely from Guyanese Creole English tonka, from a Tupian language, perhaps Kari'na tonka.

Full word history & related roots →

Translations

Finnish tonkapapu
  • tonkapapuseed of Dipteryx odorata
French tonka f tonca, fève tonka
  • tonka f toncaseed of Dipteryx odorata
  • fève tonkaseed of Dipteryx odorata
Spanish haba tonca f haba tonka f tonca, tonka
  • haba tonca f haba tonka f toncaseed of Dipteryx odorata
  • tonkaseed of Dipteryx odorata
Swedish tonkaböna
  • tonkabönaseed of Dipteryx odorata
Turkish tonka fasulyesi
  • tonka fasulyesiseed of Dipteryx odorata
Cite this entry
APA

tonka bean. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tonka%20bean

MLA

“tonka bean.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tonka%20bean. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tonka bean,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tonka%20bean.

Source: tonka bean on Wiktionary, CC BY-SA 4.0.