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,” 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.—
II. Having fistulas, fistulous: “cancer,” Cato, R. R. 157, 3.