What is the meaning of Perm?

Clipping of permanent wave (“hairstyle”).

To give hair a perm, using heat, chemicals etc.

A permutation.

A combination of outcomes (not a permutation) that a gambler bets on in the football pools.

Permission

permanent job position

to switch to a permanent job position

Permian (geological period)

Permian (the Permian period)

either of the two covers of a book

a folder or binder

clipping of permisjon: a leave (Permission to be absent from one's work)

the Permian period

the Paleozoic Era

either of the two covers of a book

a folder or binder

clipping of permisjon: a leave (Permission to be absent from one's work)

the Permian period

the Paleozoic Era

Permian

Source: wiktionary.org