perforation
/ˌpɚfəˈreɪʃən/
noun
plural
perforations
plural
perforations
Britannica Dictionary definition of PERFORATION
1
[count]
:
a small hole or series of small holes in paper, cardboard, etc.
—
often plural
2
medical
:
a hole in part of the body caused by an accident or disease
[count]
[noncount]