1. The indigestible portion of plant foods that move through the digestive system, absorbing water and making defecation easier
   - dietary fiber [US]

Encyclopedia: Dietary fibre

• silky wisteria
• silky-haired
• silky-leafed
• silky-leaved
• sill
• sillabub
• Sillaginidae
• Sillago
• sillcock
• sillily
• silliness
• sillock
• Sills
• silly
• silly billy
• silly season
• silo
• siloxane
• Silphium
• Silphium laciniatum
• silt
• silt up
• siltstone
• silty
• Silurian