noun, plural tea·cup·fuls.
Examples from the Web for teacupful
It was the grocer told us we ought to put treacle in the pudding, and also about not so much ginger as a teacupful.New Treasure Seekers|E. (Edith) Nesbit
Dose: Half a teacupful three times a day, and if too strong weaken with water until palatable.The Ladies Book of Useful Information|Anonymous
He crept from under the blankets and boiled some water, making a few tasteless pancakes with a teacupful of flour.The Man from the Bitter Roots|Caroline Lockhart
Pare, core, and cut up the apples and set them to cook with a teacupful of water.The Allinson Vegetarian Cookery Book|Thomas R. Allinson
Mix thoroughly, and give a teaspoonful in half a teacupful of water every two hours.Searchlights on Health|B. G. Jefferis and J. L. Nichols