an alcoholic beverage that is distilled rather than fermented
"The distiller carefully monitored the copper still to ensure the final product was a pure spirit and not just fermented juice."
Any alcoholic beverage.
"After closing up the bar, he decided to pour a glass of water instead of any more booze."
To drink alcohol.
"After working late at the office, he decided to stop by a nearby bar for some booze."
A surname.
"The new manager at the brewery is Mr. Booze, who happens to be a distant cousin of my uncle."