eglantine
noun
eg·lan·tine ˈe-glən-ˌtīn 
-ˌtēn
: sweetbriar
Example Sentences
Recent Examples on the Web Those pale pink flowers blooming so prominently in the miniature are eglantine or hedge roses, the queen’s favorites. 
Colin T. Eisler, WSJ, 16 July 2021
Colin T. Eisler, WSJ, 16 July 2021 Word History
Etymology
Middle English eglentyn, from Anglo-French eglent, from Vulgar Latin *aculentum, from Latin acus needle; akin to Latin acer sharp — more at edge
First Known Use
14th century, in the meaning defined above