1. Tall spruce of Rocky Mountains and British Columbia with blue-green needles and acutely conic crown; wood used for rough lumber and boxes
   - Engelmann spruce, Picea engelmannii

Type of: spruce

• rt
• Rt Hon
• RTLT
• Ru
• RU 486
• Ruanda
• Ruandan
• rub
• Rub al-Khali
• rub along
• rub off
• rub out
• rub up
• rub-a-dub
• rubai
• rubato
• rubber
• rubber band
• rubber boa
• rubber boot
• rubber bullet
• rubber cement
• rubber check
• rubber cheque
• rubber eraser