the GNU version of the Collaborative International Dictionary of English
adj. Royal.
n. See rial, an old English coin.
The Century Dictionary and Cyclopedia
An obsolete form of royal.
n. A gold coin formerly current in England, first coined by Edward IV., and worth at the time 10 shillings (about $2.40).
n. Same as pavilion, 11.
Word Usage
"Since the nego was a unit of English currency worth about three to the farthing, we can determine that the seller is asking for roughly two groat, one quarter ryal, and ha'penny, which in modern-day US$ is approximately sixteen cents."