- An underlying supporting structure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for subiculum
We have Pezizæ with a subiculum in the section Tapesia, but the veriest tyro would not confound them with species of Parmelia.Fungi: Their Nature and Uses
Mordecai Cubitt Cooke
The uncus, and subiculum cornu ammonis of the human brain, belong to it.