cuticle

/ˈkjuːtɪkəl/
noun
  1. The thin layer of dead skin at the base of a fingernail or toenail.
    • Dry cuticles can be painful and may lead to hangnails if not moisturized.
    • She pushed back her cuticles gently after soaking her hands in warm water.
    • The manicurist trimmed the cuticles carefully with a small tool.
  2. The outer protective layer of a plant, such as the waxy coating on leaves and stems.
    • The waxy cuticle on the leaf helps the plant retain water in dry conditions.
    • The cuticle of desert plants is often thicker to prevent water loss.
    • Some insects can chew through the cuticle of a plant to feed on its tissues.
  3. The outermost layer of an animal's skin or exoskeleton, such as the thin covering on an insect's body.
    • The cuticle of a worm is thin and permeable to water.
    • The insect's cuticle provides protection against predators and dehydration.
    • A crab sheds its old cuticle when it molts and grows a new one.
Synonyms
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