I.very thin, very small or fine.
I. Lit.: “sabulum pertenue,” Plin. 18, 6, 7, § 34.—
II. Trop., very slight or slender, very weak: “spes salutis,” Cic. Fam. 14, 3, 2: “discrimen,” id. Agr. 2, 32, 87: “suspicio,” id. Clu. 60, 168: “argumentum,” Cic. Verr. 1, 6, 17: “ars,” id. de Or. 1, 23, 107.