The explicit literary or visual depiction of sexual subject matter; any display of material of an erotic nature.
The depiction of (non-sexual) subject matter so that it elicits feelings analogous to erotic pleasure; any such depiction.
The graphic, detailed, often gratuitous depiction of something.
A kind of pornographic film produced clandestinely in the early to mid-20th century, typically short and without sound. Usually intended for a male audience.