aqueduct /akˈwi-dukt/

1. An artificial channel or pipe for conveying water, most commonly understood to mean a bridge across a valley
2. A bridge carrying a canal
3. A small passage in an animal body (zoology)

• OStJ
• ostler
• ostleress
• ostlers
• Ostmark
• Ostmarks
• Ostmen
• -ostomy
• Ostpolitik
• ostraca
• ostracean
• ostraceous
• Ostracion
• ostracise
• ostracised
• ostracises
• ostracising
• ostracism
• ostracisms
• ostracize
• ostracized
• ostracizes
• ostracizing
• ostracod
• Ostracoda