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 and Etymology of sunn
Hindi & Urdu san, from Sanskrit śaṇa
First Known Use: 1774
Seen and Heard
What made you want to look up sunn? Please tell us where you read or heard it (including the quote, if possible).