The Collaborative International Dictionary
dreidl
dreidel \dreidel\, dreidl \dreidl\(dr[=a]d"'l), n.
a toy shaped somewhat like a top, but having four flat sides, each marked with one of the Hebrew letters nun, gimel, he, or shin. It is spun like a top, and the letter showing when it stops spinning determines the outcome of a game of chance.
a game of chance played with a dreidel[1], most commonly by children at Hannukah.
Wiktionary
dreidl
n. (alternative spelling of dreidel English)