indumentum /in-dū-menˈtəm/ (biology)

1. A total covering of hair, feathers, etc
2. The underside of rhododendron leaves

• root vegetables
• rooty
• ropable
• rope
• ropeable
• roped
• rope dance
• rope dancer
• rope dancers
• rope dances
• rope-drilling
• rope house
• rope houses
• rope in
• rope ladder
• rope ladders
• rope machine
• rope machines
• rope-maker
• rope-makers
• rope-making
• roper
• roperies
• roper-in
• rope-ripe