Merriam-Webster's Collegiate® Dictionary, 11th Edition
ROYAL
I. adjective see: right
Date: 14th century
1. of kingly ancestry , of, relating to, or subject to the crown , being in the crown's service ,
2. suitable for royalty ; magnificent , requiring no exertion ; easy ,
3. of superior size, magnitude, or quality , established or chartered by the crown, of, relating to, or being a part (as a mast, sail, or yard) next above the topgallant, royally adverb
II. noun
Date: 14th century
a person of royal blood, a small sail on the royal mast immediately above the topgallant sail, a stag of 8 years or more having antlers with at least 12 points