Sovereign

1. n. Any butterfly of the tribe Nymphalidi, or genus Basilarchia, as the ursula and the viceroy.
2. a. Supreme or highest in power; superior to all others; chief; as, our sovereign prince.
3. a. Independent of, and unlimited by, any other; possessing, or entitled to, original authority or jurisdiction; as, a sovereign state; a sovereign discretion.
4. a. Princely; royal.
5. a. Predominant; greatest; utmost; paramount.
6. a. Efficacious in the highest degree; effectual; controlling; as, a sovereign remedy.
7. n. The person, body, or state in which independent and supreme authority is vested; especially, in a monarchy, a king, queen, or emperor.
8. n. A gold coin of Great Britain, on which an effigy of the head of the reigning king or queen is stamped, valued at one pound sterling, or about $4.86.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.