Obsolete English coin (5)
(Other definitions for groat that I've seen before include "Medieval coin" , "Old four-pence coin" , "Fourpenny piece" , "Old fourpenny coin" , "Old English coin worth four pennies" .)
(Other definitions for noble that I've seen before include "Worthy" , "Magnificent old coin" , "Of high rank or birth" , "fine" , "Titled peer of the realm" .)