draught

A single drink, especially of beer served from a barrel.

"He ordered a refreshing draught of ale."

(Of beer) served from a barrel or tap, not bottled.

"I prefer a cold draught lager."

The depth of water a ship needs to float safely.

"The ship's draught was too deep."

A current of cold air moving through an enclosed space.

"Close the door; there's a terrible draught."