Definitions

1. adjective

covered or filled with a lot of foam, bubbles, or froth; having a lot of foam on the surface, such as a foamy liquid.

“The cappuccino was frothy and rich, with a layer of foam on top.”

2. noun

the foam or bubbles on a liquid, especially beer.

“The bartender poured a head of frothy beer into the glass.”

3. verb

to make a liquid frothy, or to become frothy.

“The bartender frothed the milk to create a creamy topping for the coffee.”