ˌQueen of ˈHearts, the BrE AmE
1 . a character in the book Alice’s Adventures in Wonderland by Lewis ↑ Carroll , who is known for ordering people’s heads to be cut off, by saying ‘Off with his head!’ ⇨ ↑ Alice in Wonderland
2 . a character from a ↑ nursery rhyme (=an old song or poem for young children): The Queen of Hearts, she baked some tarts, /All on a summer’s day; / The Knave of Hearts, he stole the tarts, /And took them clean away.