Malty means tasting of the sweet roasted grain used in brewing. A malty beer, malty and rich.
Malt is barley that has been sprouted and dried, and how far it is roasted decides the colour of the beer. A malty flavour is the opposite pole to a hoppy one in describing beer.
1adjectivemaltyTasting of the sweet roasted grain used in brewing.
“The bitter was malty enough to taste almost of biscuit.”
malty is a flavour.
From malt + -y.
Etymology from Wiktionary, CC BY-SA