center wheel

noun

, Horology.

1. the wheel driving the minute and hour hands of a timepiece.

Word History and Origins

Origin of center wheel¹

First recorded in 1880–85

Example Sentences

But according to Daniel Nied, the former director of the school of horology at the National Association of Watch and Clock Collectors in Columbia, Pa., the mainspring of the central timepiece in “Watch” is separated from the center wheel by a sheath, while the balance wheel is too far from the escape wheel to allow contact.

From Washington Post

The UPS driver could be seen sitting in the truck on the floor near the center wheel during live video of the chase.

From Fox News

He lowered a center wheel into place.

From New York Times

Police drove to his last known address, and sitting in the driveway was a black Cadillac Escalade with missing center wheel caps - the only key detail the young witnesses had remembered, Browne said.

From Reuters

Over coil rubbing center wheel.

From Project Gutenberg