The vagina.
"In their slang dictionary, Gina is defined as the female equivalent of a gino."
The female equivalent of a gino.
"Gina is my best friend who always helps me with homework."
A female given name from Latin.
"Gina is a popular female given name derived directly from the Latin word for white."
Gina is an abbreviation derived from the word vagina, likely formed through children's mispronunciation or used intentionally as a euphemism. It entered common usage in this shortened form rather than originating as a distinct root word with its own original meaning.