crystal ball


noun

a ball of clear crystal, glass, or the like, used in crystal gazing.
a method or means of predicting the future.

Origin of crystal ball

First recorded in 1850–55

British Dictionary definitions for crystal ball

crystal ball

noun

the glass globe used in crystal gazing

Idioms and Phrases with crystal ball

crystal ball

A means of predicting the future, as in So what does your crystal ball say about the coming election? The term is a figurative use of the crystal or glass ball used by fortune-tellers. [c. 1900]