What is Aperture?
1.
1. A small narrow opening.
2. A fixed or adjustable opening in a piece of equipment such as a camera or microscope that lets light pass through a lens or mirror.
3. The diameter of an aperture in a piece of equipment such as a camera.
See definition of aperture above.
See
2.
A gaping orifice of uncomprehensible dimensions.
"What's that noise? It sounds like someone hosing down the pavement."
"It's Misty having a piss."
"Holy shit! That's a big mother-fucking aperture."
See