Top Definition
Apertion, noun (archaic) (Latin: apertio)

1. The act of opening.

2. An opening.

3. An aperture, hole, crack.
"By ruption or apertion" --Wiseman
by rsneo April 24, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.