-
- To save this word, you'll need to log in.
jack bean
noun
: a bushy annual tropical American legume (Canavalia ensiformis) grown especially for forage
Word History
First Known Use
1885, in the meaning defined above
Dictionary Entries Near jack bean
Cite this Entry
“Jack bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jack%20bean. Accessed 25 Nov. 2024.
Medical Definition
jack bean
noun1
: an annual tropical American plant of the genus Canavalia
especially
: a plant (C. ensiformis) having long pods with white seeds and grown especially for forage
2
: the seed of the jack bean that is a source of canavalin and urease
Love words? Need even more definitions?
Merriam-Webster unabridged
Share