1. Slender aspen native to North America
   - American aspen, Populus tremuloides

Type of: aspen

• pilot boat
• pilot bread
• pilot burner
• pilot chart
• pilot cloth
• pilot engine
• pilot experiment
• pilot film
• pilot ladder
• pilot lamp
• pilot light
• pilot program
• pilot project
• pilot whale
• pilotage
• pilotfish
• pilothouse
• piloting
• pilotless
• pilotless aircraft
• pilous
• Pilsen
• Pilsener
• Pilsner
• Piltdown hoax