cuticle

(noun)

noun

1. the dead skin at the base of a fingernail or toenail

Definition categories: body, cutis, skin, tegument

2. the outer layer of the skin covering the exterior body surface of vertebrates

Similar word(s): epidermis

Definition categories: body, stratum

3. hard outer covering or case of certain organisms such as arthropods and turtles

Similar word(s): carapace, shell, shield

Definition categories: animal, scute