[f. TANK sb.1 + -FUL.] As much as a tank will contain.
1865. B. F. Isherwood, Steam Engineering, II. 198. In other columns were recorded the exact time at which each tankful of water was emptied, the state of the weather, and the force of the wind.
1887. J. Ashby Sterry, Lazy Minstrel (1892), 19. Anemone-hunters roam over the rocks, All hoping to fish up a tankfull.
1890. Mission Herald (Boston), June, 237. The teacher had his tankful [of water] stored up.
