noun

The word "alcohol" refers to:

A clear, colorless liquid that is the main ingredient in alcoholic drinks like beer, wine, and spirits.
A chemical substance used in cleaning, medicine, or as a fuel.
In short, it can mean either a drink that contains ethanol or a chemical compound.

Example

1. I don't drink alcohol.
2. He was arrested for driving under the influence of alcohol.
3. She was warned about the dangers of excessive alcohol consumption.