Sorbus, sorbi, f. g. Colum. A tree hauing a straight stemme and thinne barcke, fomewhat fattie, firste yealome, and after whitish, a leafe like a laurell but thinner and leffe, a fruite or berrie small & in fashion of an egge. Some haue thought it our Seruice tree.
Lewis and Short: Latin dictionary
sorbum, i, n. [sorbus], the fruit of the sorbus, a sorb - apple, sorb, service - berry, Plin. 15, 21, 23, 85; Cato, R. R. 7, 5; Varr. R. R. 1, 59, 3; Col. 12, 16, 4; Verg. G. 3, 380.