• (n.) A tube for drawing liquors from a cask by the bunghole.
Val'inch noun [ Confer French avaler to let down, drink up. Confer Avalanche .] A tube for drawing liquors from a cask by the bunghole. [ Written also velinche .] 
A large pipette used to draw spirit for sampling from a cask.
A large pipette typically used to draw spirit for sampling from a cask, also known as the “dipping dog” or “whisky thief”. 
A long tube, traditionally made from copper, used for extracting spirit from a cask. This apparatus is used frequently in the warehouse for sampling whisky via the bung hole without having to empty the contents of the cask.