1. Constituting a tube; having hollow tubes (as for the passage of fluids)
   - tubular, cannular, tubelike, vasiform

See also: hollow

• amputee
• amrinone
• amrita
• Amsinckia
• Amsinckia grandiflora
• Amsinckia intermedia
• Amsler grid
• Amsonia
• Amsonia tabernaemontana
• Amsterdam
• amt
• amuck
• amulet
• Amun
• Amun Ra
• Amundsen
• Amur
• Amur privet
• Amur River
• AMusD
• amuse
• amuse-bouche
• amuse-gueule
• amused
• amusement