Sentence:  "You don't think it's too early?" said the Captain. / "You and your liver must decide that between you," I replied. / "I'm practically a teetotaller," he said, as he poured himself out a good half-<WSD>tumbler</WSD> of Canadian Club. 
Meaning of the word marked with <WSD> tags:  A drinking glass that has no stem, foot, or handle — so called because such glasses originally had a pointed or convex base and could not be set down without spilling. This compelled the drinker to finish his measure.