n.
Function: noun
Etymology: Middle English sorel, from Anglo-French surele, from sur, siur sour, of Germanic origin; akin to Old High German s ū r sour ― more at SOUR
Date: 15th century
: any of various plants or plant parts with sour juice: as a : any of various docks (as Rumex acetosa and R. acetosella ) also : the leaves used as a potherb b : WOOD SORREL