Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
vēnūcŭla (also vēnūncŭla and vennūcŭla), uva, a kind of grapes fit for preserving, Hor. S. 2, 4, 71; Col. 3, 2, 2; 3, 2, 27; 12, 45, 1; called also vēnīcŭla, Plin. 14, 2, 4, § 34; Macr. S. 1, 16 fin.