Tubular and hollow, as the leaves of a scallion.(adjective)
Made of or containing tubular parts.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "fistulous" in a sentence
"Because of this particular formation the term fistulous tract is often used synonymously with the word fistula."
"When the flos aeris comes away, and the fistulous sore becomes clean, cure it as before described."
"Sometimes the skin is indurated and lies in folds, or the shoe-boil shows abrasions on its surface and fistulous openings leading from abscess centres."