Question

Why does romeo call the poison a cordial?

Answer 1

It's comforting.

Step-by-step explanation:

The definition of codial is "Warm friendly, 1. another term for liqueur 2. a comforting or pleasent-tasting medicine." Meaning although poison is usually seen as harmful, in his eyes the poison would comfort him and heal his heart.

Answer 2

Romeo calls it a cordial because, the poison will "help heal his heart".

Also cordial means a comforting or pleasant-tasting medicine. So in a sense it is helping him heal, so he can be with Juliet.