perforation

Noun

 * 1) The act of perforating or the state of being perforated.
 * 2) Any opening in a solid object.
 * 3)  An abnormal opening in an organ, such as a rupture.
 * 4) A series of holes punched through something in order to assist in separating parts.
 * 5)  That portion of a surface that remains after an open disk is removed from it.

Translations

 * Bulgarian:
 * Finnish: rei'ite
 * French:
 * Greek: ,
 * Ancient: τρῆμα
 * Italian: perforamento
 * Polish:
 * Swedish:


 * Finnish: perforaatio

Etymology
From.