Chambers's Twentieth Century Dictionary…
“ Sorosis, sō-rō′sis, n. a compound fleshy fruit, resulting from many flowers, as the pine-apple. [Gr. sōros, a heap.] Sorotrochous, sō-rot′rō-kus, adj. having the wheel-organ compound, as a rotifer. [Gr. sōros, a heap, trochos, a wheel.] Sorrel, sor′el, n. one of several species of the genus Rumex, allied to the dock, the leaves impregnated with oxalic acid—the Scotch Sourock. The Wood-sorrel belongs to the genus Oxalis. [O. Fr. sorel (Fr. surelle) —sur, sour; from Old High Ger. sūr (Ger. sauer) , sour.] ”
