cecaelia

noun1

1. •
   A composite mythical being, combining the head, arms and torso of a woman (more rarely a man) and, from the lower torso down, the tentacles of an octopus or squid as a form of mermaid, sea witch, or sea demon.

   • URSULA |Film| “The Little Mermaid” (1989) |Voiced by| Pat Carroll |Special attributes| She’s a cecaelia (a human-octopus mashup) with magical powers. — 2014