a. Obs. rare. [ad. It. traboccante, pres. pple. of traboccare to overflow, superabound.] Superabundant, excessive; preponderant.
1651. Howell, Venice, 208. The power of one might not so out-poize and be trabocant that the rest shold be in danger to be blown up. Ibid. (1654), Parthenop., Pref. A j b. One could hardly discern which Scale would be traboccant and overpoising.