noun
Meaning 1
The assumption that all human beings are either male or female in both sex and gender, and that sexual and romantic attraction and activity only occurs, or is only normal, between people of different sexes.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided