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

See also: cannula, hollow

• night watchman
• night-blooming cereus
• night-light
• night-line
• night-robe
• night-sight
• night-stop
• nightbird
• nightcap
• nightclothes
• nightclub
• nightcrawler
• nightdress
• nighted
• nightfall
• nightgown
• nighthawk
• nightie
• nightingale
• nightjar
• nightlife
• nightlong
• nightly
• nightmare
• nightmarish