Medical Dictionary
1sex
noun \ˈseks\
Medical Definition of SEX
1
: either of the two major forms of individuals that occur in many species and that are distinguished respectively as male or female
2
: the sum of the structural, functional, and behavioral characteristics of living things that are involved in reproduction by two interacting parents and that distinguish males and females
3
a : sexually motivated phenomena or behavior b : sexual intercourse
Seen & Heard
What made you want to look up sex? Please tell us where you read or heard it (including the quote, if possible).