1. the outermost waxy layer of the cuticle in plants and arthropods
Usage: biology

Examples

• The epicuticle provides a waterproof barrier for the leaf surface.
• Insects rely on their epicuticle to prevent water loss.
• The waxy epicuticle helps protect plants from environmental stress.
• Researchers studied the composition of the epicuticle in various beetle species.
• The epicuticle contains lipids that make it impermeable to water.
• Damage to the epicuticle can lead to dehydration in arthropods.