1. A pipe; a wind instrument of music; a deep narrow sinuous pipe-like ulcer. Fistula in and, fistula of the rectum. Fistula lachrymalis, a fistual of the lachrymal sac, a disorder accompanied with a flowing of tears.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• fisful,
• fiscla,
• fiastula,
• fistual,
• fistly,
• fisutla,
• fistfull,
• fisturla,
• fiscul,
• fuistula,
• citula,
• fustula,
• fisyula,
• fistuls,
• fstula,
• fisula,
• fistulla,
• fhstula,
• fistule,
• fystular

• fistular,
• fistulina,
• fistularia,
• fictile,
• fistulous,
• fistulate.

The adjective form of the word "fistula" is "fistulous".