What is "hotcockles"

Hotcockles \Hot"coc`kles\, n. [Hot + cockle, cockle being perh. corrupt. fr. knuckle. Cf. F. main chaude (lit., hot hand) hotcockles.] A childish play, in which one covers his eyes, and guesses who strikes him or his hand placed behind him.

n. A children's game in which a blindfolded player tries to guess who hit him.