1. A duct that provides ventilation (as in mines)
   - air duct, airway

Derived forms: air passages

Type of: duct

• coalfield
• coalfish
• coalhole
• cask
• casket
• caskful
• Casmerodius
• Casmerodius albus
• Caspar
• Caspar Bartholin
• caspase
• caspase-mediated cell death
• Casper
• Caspian
• Caspian Sea
• casque
• casquet
• casquetel
• Cass Gilbert
• Cassandra
• cassareep
• cassation
• cassava
• cassava starch
• Cassegrainian telescope