n. The sexual connotation (i.e. orgasm) lacking in the English word "enjoyment", and therefore left untranslated in English editions of the works of the French psychoanalyst Jacques Lacan.
the GNU version of the Collaborative International Dictionary of English
n. Jollity; merriment.
Word Usage
"Lacan introduced the term jouissance as a foundation of the pleasure principle, which, at its furthest extreme in the pleasure/pain dialectic, becomes suffering."