Gender

Most recently … feminists have in a more literal and serious vein begun to use “gender” as a way of referring to the social organization of the relationship between the sexes. The connection to grammar is both explicit and full of unexamined possibilities. Explicit because the grammatical usage involves formal rules that follow from the masculine or feminine designation; full of unexamined possibilities because in many Indo-European languages there is a third category – unsexed or neuter.

From: ‘Gender: A Useful Category of Historical Analysis‘, American Historical Review, 1986