1. The act or an instance of turning upward.
  2. The condition in which a tooth is out of the line of occlusion in an occlusal direction, resulting in a deep overbite.
  3. The act or process of moving the eyes upwards.sursumversion
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.