Definition of sunn
: an annual Indian herb (Crotalaria juncea) of the legume family with slender branches, simple leaves, and yellow flowers; also : its valuable fiber resembling hemp that is lighter and stronger than jute
Origin of sunn
Hindi & Urdu san, from Sanskrit śaṇa
First Known Use: 1774
Learn More about sunn
Britannica.com: Encyclopedia article about "sunn"
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