periderm /perˈi-dûrm/

1. The horny cuticular covering of a hydroid colony
2. The cork cambium with the cork and other tissues derived from it, forming a protective outer covering in plants

peridermˈal adjective

• ken
• Ken.
• kenaf
• kenafs
• Kendal green
• kendo
• kendos
• kenned
• kennel
• kennel-coal
• kenneled
• kenneling
• kennelled
• kennelling
• Kennelly-Heaviside layer
• Kennelly layer
• kennelmaid
• kennelmaids
• kennelman
• kennels
• kenner
• kenners
• kennet
• kennets
• Kennick