A human, or other being whose eyes change color due to light, temperature, atmospheric conditions etc.
1.
Hanabeth: Woah! My cat's eyes just turned bright red! I didn't know he was polynoctal!
2.
Bobert: My girlfriend's eyes turn bright pink in the sunlight! I'm so glad she's a polynoctal.
Hanabeth: Woah! My cat's eyes just turned bright red! I didn't know he was polynoctal!
2.
Bobert: My girlfriend's eyes turn bright pink in the sunlight! I'm so glad she's a polynoctal.
by Urbangeek3.9 January 25, 2014