Definitions

1. noun

A unit of measurement, equivalent to 2.5 gallons or 9.46 liters, used for measuring beer.

“The brewery sold beer in barleymows, which made it easy for the customers to measure out the right amount.”

2. noun

A traditional unit of measurement for beer, dating back to the 17th century.

“The old tavern used to serve beer in barleymows, but now they sell it by the pint.”