(definition) by Webster 1913 Wed Dec 22 1999 at 3:50:55

Ton"ka bean` (?). [Cf. F. onca, tonka.] Bot.

The seed of a leguminous tree (Dipteryx odorata), native of Guiana. It has a peculiarly agreeable smell, and is employed in the scenting of snuff. Called also tiononquin bean.

[Written also tonca bean, tonga bean.]

 

© Webster 1913.

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