Dictionary.net

• A clock whose decorative case has the general form of a vase, esp. one in which there is no ordinary dial, but in which a part of a vase revolves while a single stationary indicator serves as a hand.

2010 - New Age Dictionary Database
By Oddity Software

• A clock whose decorative case has the general form of a vase, esp. one in which there is no ordinary dial, but in which a part of a vase revolves while a single stationary indicator serves as a hand.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.