Middle English sorel, noun & adjective, from Anglo-French, from sor red, auburn, probably of Germanic origin; akin to Middle Dutch soor dry, barren, Old English sēar dry — more at sere
Noun (2)
Middle English sorel, from Anglo-French surele, from sur, siur sour, of Germanic origin; akin to Old High German sūr sour — more at sour
# noun. - a European plant of the dock family, with arrow-shaped leaves that are used in salads and cooking for their acidic flavor. - a horse with a light reddish-brown coat.