The American Heritage® Dictionary of the English Language, 4th Edition
n. The sensitive connective tissue layer of the skin located below the epidermis, containing nerve endings, sweat and sebaceous glands, and blood and lymph vessels. Also called corium, cutis, derma1.
n. The tissue of the skin underlying the epidermis.
the GNU version of the Collaborative International Dictionary of English
n. The deep sensitive layer of the skin beneath the scarfskin or epidermis; -- called also true skin, derm, derma, corium, cutis, and enderon. See skin, and Illust. in Appendix.
The Century Dictionary and Cyclopedia
n. Same as derma.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the deep vascular inner layer of the skin
Word Usage
"This layer, called the dermis, is so rich in a certain type of immune cell that the new shot uses a lower dose of the same vaccine that's in regular flu shots."