Definitions

1. noun

A person whose occupation is the malting of grain, especially barley, for the production of malt.

“The brewery hired a skilled maltster to prepare the malt for their next batch of beer.”

2. verb

To treat grain, especially barley, with water to activate enzymes that break down the starches into fermentable sugars.

“The maltster malted the barley to prepare it for the brewery’s production process.”