G-spot
noun
ˈjē-ˌspät 
: a mass of tissue that is held to exist on the anterior vaginal wall and to be highly erogenous
Word History
Etymology
Grafenberg spot, from Ernst Grafenberg †1957 American (German-born) gynecologist
First Known Use
1982, in the meaning defined above
Medical Definition
G-spot
noun
ˈjē-ˌspät
: a mass of tissue that is held by some physiologists and specialists in human sexual behavior to exist in the anterior vaginal wall and to be highly erogenous but whose existence and function are doubted by others because of insufficient objective evidence
called also Grafenberg spot