This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Resembling a tube, especially in shape

adj. constituting a tube; having hollow tubes (as for the passage of fluids)

"The first trocar, a long, metal, tubelike arm with a camera attached, went in through another tiny incision in the abdomen."

hollow   

electrosurgical    direct-connect    longspider-like    fire-scorched    aeronautic