n.; pl. Glassfuls The contents of a glass; as much of anything as a glass will hold. [ 1913 Webster ]
a. Glassy; shining like glass. [ Obs. ] “Minerva's glassful shield.” Marston. [ 1913 Webster ]
, n. pl. Wineglassfuls As much as a wineglass will hold; enough to fill a wineglass. It is usually reckoned at two fluid ounces, or four tablespoonfuls. [ 1913 Webster ]