St Stephen’s Green

[ole]

St Stephen's Green

What does "Green" mean here? I don't get it. Also, this is a public park in Dublin.

 

[Barque]

this is a public park in Dublin.

That should have given you a clue.

It's in the dictionary. See number 4 under the noun: https://www.thefreedictionary.com/green

 

[5jj]

See definition 3a here: https://www.macmillandictionary.com/dictionary/american/green_2.

Please note that I have changed your thread title. Titles must be unique, relevant to the thread, and contain a good part of the words involved in your question.