spongeful|ˈspʌndʒfʊl| [f. sponge n.1 + -ful 2.] As much as fills a sponge. 1867Macgregor Rob Roy on Baltic 243 We ran the canoe into a mass of tall reeds, to see if she had got any water. There were only three spongefuls.1871G. H. Napheys Prev. & Cure Dis. ii. iv. 537 A spongeful of warm water.