- perforation - a line of small holes for tearing at a particular place
--1 is a kind of hole
Derived form: verb perforate1 - perforation - a hole made in something; "a perforation of the eardrum"
--2 is a kind of hole
Derived form: verb perforate2 - perforation - the act of punching a hole (especially a row of holes as for ease of separation)
--3 is a kind of puncture
Derived form: verb perforate1