noun Botany.

a temporary, protective layer of cells in some roots, as in certain orchids.

Origin of exodermis

First recorded in 1895–1900; exo- + -dermis
Related formsex·o·der·mal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for exodermis

Historical Examples of exodermis