LATIN DICTIONARYLexicon Latīnum
English → Latin

“sex” in Latin

The English word sex itself goes back to Latin secō, through sexus.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

sex
sexus, -ūs. The male sex sexus virilis: the female sex, sexus muliebris; sexus femineus (Suet., Calig.); genus femineum (Verg.); mulieres, plur., (Plaut.). Children of both sexes, liberi utnusque sexus (Suet.); liberi virilis ac muliebris sexus omnes (after Liv., 31, 44, 4). Without any distinction of sex, sine ullo sexus discrimine (Suet., Cal., 3). To forget their sex (of a woman), sexum egredi (Tac.). To make separate baths for the two sexes, lavacra pro sexibus separare (Spart., Hadr., 18, fin.).

Quick answer

What is the Latin word for sex?
The usual Latin words for “sex” are sexus, pactum, mulier. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.