Lewis & Short

scŏpĭo, ōnis, m. [root skap-; cf.: scamnum, scipio], the stalk or pedicle of grapes, Cato, R. R. 112, 3; Col. 11, 3, 46; 12, 39, 3; 12, 43, 10.
Also called scŏpĭus, Varr. R. R. 1, 54, 2; 2, 4, 17.