There are 2 definitions of PG in English:

PG1

Syllabification: PG

abbreviation

1Parental guidance suggested, a rating in the Voluntary Movie Rating System indicating that some material may not be suitable for children.
1.1Paying guest.

Definition of PG in:

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Word of the day envenom
Pronunciation: enˈvenəm
verb
put poison on or into; make poisonous

There are 2 definitions of PG in English:

PG-132

Syllabification: PG-13

symbol

Parents strongly cautioned, a rating in the Voluntary Movie Rating System indicating that some material may be inappropriate for children under 13.