a. [f. TANK sb.1 + -LESS.] Without a tank.
1874. Sci. Amer., XXX. 4 April, 212. The ordinary tankless ‘dinkey’ has to be supplied three times a day with coal and water.
1894. H. D. Lloyd, Wealth agst. Commw., 237. The donors might drive the churches, which have no tank-cars, out of the business, as they have done the tankless refiners [of oil].
