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

Encyclopedia: Ferruginous

• safety nut
• safety pin
• safety rail
• safety razor
• safety squeeze
• safety squeeze play
• safety valve
• safety zone
• safety-deposit
• safety-related
• safflower
• safflower oil
• safflower seed
• saffranine
• saffron
• saffron crocus
• safranin
• safranine
• sag
• sag down
• saga
• sagacious
• sagaciously
• sagaciousness
• sagacity