barleycorn barleycorn /ˈbɑːrlɪkɔːrn/

noun

1. A grain of barley  ( barleycorn , barley )
   a grain of barley
     Barley is a versatile grain used in brewing beer and making hearty soups.
   Barley is a versatile grain used in brewing beer and making hearty soups.
   
   
2. A grain of barley  ( barleycorn )
   a grain of barley