Entomology definition of Cubital cell: the wing area between the cubits and anal
vein; in the plural, all the cells bounded anteriorly by the
cubits or its branches (Comst.); in Diptera (Schiner), = radial 3
(Comst.), = 3d posterior cell (Loew); in Hymenoptera (Norton), =
radial 3, 4 and 5 (Comst.).