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)

cuticular

kyu̇-ˈti-kyə-lər 

adjective

Examples of cuticle in a Sentence

Recent Examples on the Web

The porcelain ceramic barrels distribute heat evenly to minimize hot spots while smoothing the cuticle for shinier, more consistent waves from root to ends. —Lily Wohlner, Allure, 18 Mar. 2026

One key adaptation was a waxy coating, called a cuticle, which helped keep water inside the plant. —Erin Potter, The Conversation, 16 Mar. 2026

With heat, the supergloss formula seals the cuticle and adds a layer of shine that will last up to three washes. —Reece Andavolgyi, InStyle, 15 Mar. 2026

Thise helps seal the outer cuticles and ensure your curls don’t become frizzy, plus tomato, which is supposed to support moisture retention. —Eden Stuart, Glamour, 5 Mar. 2026

Word History

Etymology

Latin cuticula, diminutive of cutis skin — more at hide

First Known Use

1615, in the meaning defined at sense 1

Rhymes for cuticle

• hermeneutical
• pharmaceutical
• radiopharmaceutical

Kids Definition

cuticle

noun

cu·​ti·​cle ˈkyüt-i-kəl 

1

: an outer layer (as of skin or a leaf) often produced by the cells beneath

2

: a dead or horny layer of skin especially around a fingernail

Medical Definition

cuticle

noun

cu·​ti·​cle ˈkyüt-i-kəl 

1

: an outer covering layer: as

a

: the outermost layer of integument composed of epidermis

b

: the outermost membranous layer of a hair consisting of cornified epithelial cells

2

: dead or horny epidermis (as that surrounding the base and sides of a fingernail or toenail)

cuticular

kyu̇-ˈtik-yə-lər 

adjective