cuticle; nail cuticle
Refers to the thin layer of skin at the base and sides of a fingernail or toenail. Common in everyday and beauty contexts.
When you take care of your cuticles, your nails look neat.
Botanical term for the innermost layer of a fruit's pericarp, such as the hard pit of a peach or the stone of a cherry. Not used in everyday conversation.
I had my cuticles cared for at a nail salon.
The endocarp of a peach is very hard.