olivary nucleus

n.
  1. A dense aggregate of small nerve cells arranged in a folded lamina, corresponding in position to the olivary body, and projecting to all parts of the contralateral half of the cerebellar cortex; inferior olivary nucleus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.