Abyssal zone. (Phys. Geog.) See under Abyssal. -- Zone axis (Crystallog.), a straight line passing through the center of a crystal, to which all the planes of a given zone are parallel.
Zone, v. t. To girdle; to encircle. [R.] Keats.
Zoned (?), a. 1. Wearing a zone, or girdle. Pope.