Sentence:  “[...] the awfully hearty sort of Christmas cards that people do send to other people that they don't know at all well. You know. The kind that have mottoes like / Here's rattling good luck and roaring good cheer, / With lashings of food and great <WSD>hogsheads</WSD> of beer. [...]” 
Meaning of the word marked with <WSD> tags:  A large barrel or cask of indefinite contents, especially one containing from 100 to 140 gallons.