Sentence:  There was also a liquor <WSD>luge</WSD> – a giant block of ice, slanted at a 45-degree angle and carved with a convenient path for shots to be poured down and into the mouths of anyone who was thirsty. 
Meaning of the word marked with <WSD> tags:  A piece of ice, bone or other material with a channel down which a (usually alcoholic) drink can be poured into someone's mouth.