some cylinders . . . a rubber mask attached to a tube apparatus for delivering nitrous oxide ("laughing gas").
petcock a small faucet or valve.
kirsch a colorless alcoholic drink distilled from the fermented juice of black cherries.
marc the brandy distilled from the refuse of grapes, seeds, other fruits, etc. after pressing; the French counterpart to grappa.
choucroute (French) sauerkraut.
demi demi-blonde beer.
bock a dark beer traditionally drunk in the early spring.
in the mill-race literally, in the channel in which the current of water that drives a mill wheel runs. A colloquialism meaning past the point of no return.
plat du jour (French) special of the day.
