The Role of Global Cold Chain Alliance in Food Safety and Temperature-Controlled Shipping We weren’t able to create a summary for you. Refresh your page to try again. The GCCA forges relationships and resources around the world to lead the cold chain. Learn more about how we protect and preserve perishable products in a region near you. The GCCA forges relationships and resources around the world to lead the cold chain. Learn more about how we protect and preserve perishable products in a region near you. About the Cold Chain The cold chain refers to the precise te... ROLE definition: a part or character played by an actor or actress. See examples of role used in a sentence. Definition of role noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. A role is one of the characters that an actor or singer can play in a movie, play, or opera. She has just landed the lead role in their latest production. the position or purpose that someone or something has in a situation, organization, society, or…. role or rôle (roʊl) n.