We found one dictionary that defines the word play one's part:

General (1 matching dictionary)

1. play one's part: Wiktionary

Definitions from Wiktionary (play one's part) ▸ verb:  (idiomatic) Synonym of play a part ▸ Words similar to play one's part ▸ Usage examples for play one's part ▸ Idioms related to play one's part ▸ Wikipedia articles (New!) ▸ Words that often appear near play one's part ▸ Rhymes of play one's part ▸ Invented words related to play one's part