1. Resembling iron rust in appearance or colour; brownish red, or yellowish red 
2. Partaking of iron; containing particles of iron

Encyclopedia: Ferruginous

• scathe
• scathing
• scathingly
• scatological
• scatology
• scatophagy
• scatter
• scatter pin
• scatter rug
• scatterbrain
• scatterbrained
• scattered
• throne
• throng
• thronged
• throstle
• throttle
• throttle valve
• throttlehold
• throttler
• throttling
• through
• through an experiment
• through and through
• through empirical observation