sorrel
1. sor.rel \'so.r-*l, 'sa:r-\ n [ME sorelle, fr. MF sorel, n. & adj., fr. sor reddish brown] 1: an animal (as a horse) of a sorrel color 2: a brownish orange to light brown 2. sorrel n [ME sorel, fr. MF surele, fr. OF, fr. sur sour, of Gmc origin]; akin to OHG su-r sour - more at SOUR : any of various plants with sour juice : as : DOCK : WOOD SORREL