-
Anatomy The outer layer of an internal organ or body structure, as of the kidney or adrenal gland.
(noun)
-
Anatomy The outer layer of gray matter that covers the surface of the cerebral hemisphere.
(noun)
-
Botany The region of tissue in a root or stem lying between the epidermis and the vascular tissue.
(noun)
-
An external layer, such as bark or rind.
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.