DictionarycuticleSkin at the base of a nail
noun

cuticle

KYOO-tih-kul/ˈkjuːtɪkl/

A thin protective outer layer on a living organism.

The cuticle is a thin layer of skin at the nail's base.

An anatomically accurate close-up of a clean adult fingertip with the thin cuticle at the nail base clearly visible.
Etymology

The pieces mean 'little skin.' Cuticle first named the outer layer of skin generally, then narrowed to the small strip of skin at the base of a nail.

In context

Professional Beauty30:06
the cuticle is nonliving it's dead skin
Marian Newman: Live Interview | #PBVirtualWeek

More examples

  • The leaf's waxy cuticle helps prevent water loss.
  • An insect's cuticle protects its body.
  • She gently moisturizes the dry cuticles around her nails.

Forms

cuticle · cuticles

cuticular adjective — Relating to a protective outer layer.

Similar words

skin
A broader term for the body's covering, including multiple layers.
epidermis
The outer cellular layer, distinct from a plant's waxy cuticle.