Meaning of the word "gender binary" in English

What does "gender binary" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

gender binary

US /ˈdʒen.dɚ ˈbaɪ.nə.ri/
UK /ˈdʒen.də ˈbaɪ.nə.ri/
"gender binary" picture

Noun

the classification of gender into two distinct, opposite forms of masculine and feminine, whether by social system or cultural belief

Example:
Many societies are moving away from a strict gender binary to recognize non-binary identities.
The gender binary often limits how people express their true selves.