olemus
(2a) bioloogias:
organisme eristav reproduktiivroll, ka kollektiivtähenduses
Wiktionary:
3. (now sometimes proscribed) sex (a category, either male or female, into which sexually-reproducing organisms are divided on the basis of their reproductive roles in their species)
4. identification as a man, a woman, or something else, and association with a (social) role or set of behavioral and cultural traits, clothing, etc; a category to which a person belongs on this basis
https://en.wikipedia.org/wiki/Gender
https://en.wikipedia.org/wiki/Non-binary_gender
https://nonbinary.miraheze.org/wiki/List_of_nonbinary_identities

ISO/IEC 2382-37:
liigitus isas-, emas- või muuks kategooriaks sotsiaalsete, kultuuriliste või käitumislike tegurite põhjal
Märkus 1 Sugu (2) määratakse üldiselt enesedeklaratsiooni või eneseesitusega ja võib ajas muutuda.
Märkus 2 Sõltuvalt tunnustamisest õigusruumis võib vajada või mitte vajada mingi kolmanda polle otsust.
= classification as male, female or another category based on social, cultural or behavioural factors
Note 1. Gender is generally determined through self-declaration or self-presentation and may change over time.
Note 2. Depending on jurisdiction recognition, may or may not require assessment by a third party.

(2b) grammatikas:
sõnaliikide ühilduvust määrav kategooria,
mõnedes keeltes võib osalt põhineda bioloogilisel sool
Wiktionary:
2. (grammar) a division of nouns and pronouns (and sometimes of other parts of speech) into masculine or feminine, and sometimes other categories like neuter or common, and animate or inanimate
https://en.wikipedia.org/wiki/Grammatical_gender

(2c) tehnikas:
pistmiku kontaktide tüüp (isas-/emas-/hübriid-)
Wiktionary:
6. (hardware) the quality which distinguishes connectors, which may be male (fitting into another connector) and female (having another connector fit into it), or genderless/androgynous (capable of fitting together with another connector of the same type)
https://en.wikipedia.org/wiki/Gender_of_connectors_and_fasteners

vt ka
- sugu (1)
- sugu (3)