MermaidA mythical sea creature with the head and upper body of a human and the tail of a fish
Definitions:
A fictitious or mythical half-human sea creature, with the head and trunk of a woman and the tail of a fish, conventionally depicted as beautiful and with long flowing golden hair.
SacrificeAn act of offering something precious for a cause or a reason
Definitions:
An act of giving up something valued for the sake of something else regarded as more important or worthy.
Give up (something valued) for the sake of other considerations.
SeaThe expanse of salt water that covers most of the earth's surface and surrounds its landmasses.
Definitions:
A large expanse of water, typically one of the world's main divisions of the world's great oceans.