Noun: tuberous vetch
- European herb bearing small tubers used for food and in Scotland to flavour whiskey
"Traditional distillers added tuberous vetch tubers to enhance their whiskey's flavour";
- heath pea, earth-nut pea, earthnut pea, Lathyrus tuberosus
Derived forms: tuberous vetches
Type of: vine
Part of: genus Lathyrus, Lathyrus