1. Medium to tall fir of central to western United States having a narrow erect crown and soft wood
   - white fir, California white fir, Abies concolor, Abies lowiana

Type of: silver fir

• sickness
• sickness benefit
• sicko
• sickroom
• Sid Caesar
• Sida
• Sida hermaphrodita
• Sida rhombifolia
• Sida spinosa
• Sidalcea
• Sidalcea malviflora
• Siddhartha
• Siddons
• side
• side by side
• side chain
• side chair
• side chapel
• side dish
• side door
• side drum
• side effect
• side entrance
• side horse
• side judge