indumentum /in-dū-menˈtəm/ (biology)

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

• floccose
• floccular
• flocculate
• flocculated
• flocculates
• flocculating
• flocculation
• flocculations
• floccule
• flocculence
• flocculences
• flocculent
• floccules
• flocculi
• flocculus
• floccus
• flock
• flock-bed
• flock-beds
• flocked
• flocking
• flock-master
• flock-masters
• flock-paper
• flock-papers