Fistulous \Fis"tu*lous\, a. [Cf. F. fistuleux.]

1. Having the form or nature of a fistula; as, a fistulous ulcer. [1913 Webster]

2. Hollow, like a pipe or reed; fistulose. --Lindley. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

fistulous adj
1: of or pertaining to or attacked by a fistula
2: like a reed or tube [syn: fistular, fistulate]

Source: WordNet (r) 2.0
 

Fistulous \Fis"tu*lous\, a. [Cf. F. fistuleux.]

1. Having the form or nature of a fistula; as, a fistulous ulcer.

2. Hollow, like a pipe or reed; fistulose. --Lindley.

Source: Webster's Revised Unabridged Dictionary (1913)