Definitions

1. adjective

Relating to or resembling a sea-god or sea-goddess.

“In the mythological context, hydroidean deities controlled the tides and marine life.”

2. noun

A sea-god or sea-goddess.

“According to legend, the hydroidean was revered for its immense power over the ocean’s currents.”

3. noun

A mythical or legendary sea creature.

“The ancient civilization believed the hydroidean to be a colossal serpent-like creature inhabiting the depths of the sea.”