The three standard sex symbols in biology are male ♂, female ♀ and hermaphroditic ⚥; originally the symbol for … See more

Kinship charts use a triangle △ for male and circle ○ for female. Pedigree charts published in scientific papers use an earlier anthropological convention of a square □ for male and a circle ○ for female.
Before a sh… See more

In linguistics, a 'grammatical gender' system is a specific form of a noun class system, where nouns are assigned to gender categories that are often not related to the real-world qualities of the entities denoted by those no… See more

The modern gender symbols used for public toilets, 🚹︎ for male and 🚺︎ for female, are pictograms created for the British Rail system in the mid-1960s. Before that, local usage had been more variable. For example, s… See more

Since the 1970s, variations of gender symbols have been used to express sexual orientation and gender politics. Two interlocking male symbols (⚣) are used to represent gay men while two interlocking female sym… See more