The simian crease is one of the listed signs in Down Syndrome which would imply there's some genetic factor at play. My eldest daughter has a simian crease on one hand and the other hand is 'normal'.
Sovereign definition, a monarch; a king, queen, or other supreme ruler. See more.
Webster Dictionary(0.00 / 0 votes)Rate this definition: Kingdom(noun) the rank, quality, state, or attributes of a king; royal authority; sovereign power; rule; dominion; monarchy. Kingdom(noun) the territory or country subject to a king or queen; the dominion of a monarch; the sphere in which one is king or has control.