I downed the second flaskful, and let him fill another before I held the bottle to see the label.    From Wordnik.com.  [Chase the Morning]

Once upon a time there lived a king who was so fond of wine that he could not go to sleep unless he knew he had a great flaskful tied to his bed-post.    From Wordnik.com.  [The Crimson Fairy Book] Reference

I add the frozen cubes to cold milk to make iced coffee, and had been packing a flaskful for work every morning until I realised the presence of a Thermos (plus glass plus brightly coloured straws) on my desk might suggest to my bosses that I consider myself to be under expedition conditions merely being in the office.    From Wordnik.com.  [Wine: Cool whites for hot days] Reference

The solution, diluted to two-thirds of the flaskful with water, is heated to boiling.    From Wordnik.com.  [A Text-book of Assaying: For the Use of Those Connected with Mines.] Reference

"I'll e'en begin our potations myself," said he, filling out a flaskful of his liquor, and drinking it off.    From Wordnik.com.  [Wilson's Tales of the Borders and of Scotland Volume 17] Reference

What is more astonishing is, that I only emptied a small flaskful into the basin, and it increased to the quantity you now see. ".    From Wordnik.com.  [Still Separate & Unequal] Reference

"Give her another flaskful.".    From Wordnik.com.  [Winsome Winnie and other New Nonsense Novels] Reference

Muhalleh, he had permitted Khamisi to desert with valuable property at Imbiki; he had frequently shown culpable negligence in not looking after the donkeys, permitting them to be tied up at night without seeing that they had water, and in the mornings, when about to march, he preferred to sleep until 7 o’clock, rather than wake up early and saddle the donkeys, that we might start at 6 o’clock; he had shown of late great love for the fire, cowering like a bloodless man before it, torpid and apathetic; he had now lost the property-tent in the middle of the Masika season, by which carelessness the cloth bales would rot and become valueless; he had lost the axe which I should want at Ujiji to construct my boat; and finally, he had lost a pistol and hatchet, and a flaskful of the best powder.    From Wordnik.com.  [How I Found Livingstone] Reference