cuticle
noun
cu·ti·cle
ˈkyü-ti-kəl
1
: an outer covering layer: such as
a
: an external envelope (as of an insect) secreted usually by epidermal cells
b
: the outermost layer of animal integument composed of epidermis
c
: a thin continuous fatty or waxy film on the external surface of many higher plants that consists chiefly of cutin
d
: the outermost membranous layer of a hair consisting of overlapping scales of epithelial cells
2
: dead or horny epidermis (such as that surrounding the base and sides of a fingernail)
Cite this Entry
“Cuticle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cuticle. Accessed 1 Sep. 2026.
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