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

Each set includes 42 nails of various sizes, an alcohol prep pad, a dual-sided nail file and buffer, cuticle pusher, and nail glue. —Jamie Allison Sanders, PEOPLE, 29 Nov. 2025

Then, there’s damage from heat styling, chemicals, harsh shampoos, or rough handling makes the cuticle more porous, allowing excess moisture in and increasing frizz. —Anna Cafolla, Vogue, 26 Nov. 2025

Carol’s Daughter Goddess Strength 7 Oil Blend Hair & Scalp Oil addresses the issue with castor oil to add weight and structural support, while black cumin seed oil brings antioxidants to help defend the cuticle from further wear. —Jailynn Taylor, Allure, 25 Nov. 2025

Benefit: The oil works to boost the conditioner’s moisturizing properties, helping to lock in hydration and smooth the hair cuticle. —Carrie Madormo, Health, 14 Nov. 2025

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