Definition - What does Polygender mean?
Polygender refers to an individual that identifies as being one or more gender. The individual might identify with multiple genders and express these genders as a mix, or they can identify as being different genders at different times.
Kinkly explains Polygender
Polygender individuals identify as being non-binary or multi-gender. in cases where an individual identifies as different genders at different times, this is often referred to as being gender fluid; which is to say that gender is not set in stone. It is a model of gender that moves along a spectrum and may not be the same at different points in time.