n. 陀螺；四面陀螺

dreidel \dreidel\, dreidl \dreidl\(dr[=a]d"'l), n.
1. 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.
[PJC]

2. a game of chance played with a dreidel[1], most commonly
by children at Hannukah.
[PJC]