Fistulôsus, pen. prod. Adiect. Colum. Ful of holes like a sponge.Fistulosa terra. Plin. Earth barraine and hollow, good neyther for tillage nor pasture.Fistulosus cancer, Morbus, Cato.A capcher growen to a holow issue.Fistulosæ densitatis spongia. Plin.
Lewis and Short: Latin dictionary
fistŭlōsus, a, um, adj. [id.]. I.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,