Lewis Short
(adjective) : fistŭlōsus, a, um, id..
* Pipeshaped, full of holes, porous (post-Aug.): terra bibula et pumicis vice fistulosa,Plin. 18, 11, 29, § 110; so, terra,id. 17, 5, 3, § 34: telum culicis sorbendo fistulosum,hollow,id. 11, 2, 1, § 3: aculeus,id. 11, 37, 65, § 173: lapis,porous,id. 36, 23, 53, § 174: densitas spongiae,id. 27, 8, 45, § 69: caseus,Col. 7, 8, 5.
* Having fistulas, fistulous: cancer,Cato, R. R. 157, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary