spūma, ae, f. [spuo].
I In gen., foam , froth , scum , spume from the mouth; of the sea; in boiling, etc. (class.; used alike in sing. and plur.): spiritus (equi) ex animā calidā spumas agit albas, foams , Enn. ap. Macr. 6, 3 (Ann. v. 507 Vahl.): vi morbi coactus Concidit et spumas agit, Lucr. 3, 489; cf.: cum spumas ageret in ore, Cic. Verr. 2, 4, 66, § 148; Ov. M. 3, 74: per armos Spuma (apri) fluit, id. ib. 8, 288: Venus altera spuma procreata, Cic. N. D. 3, 23, 59; cf. Ov. M. 4, 538: spumas salis aere ruebant, Verg. A. 1, 35: lac spumis stridentibus albet, Ov. Am. 3, 5, 13: sanguinis, id. M. 8, 417; 7, 263: equi, Plin. 28, 11, 48, § 174: cochleae, id. 29, 6, 37, § 116; Col. 7, 5, 19; of men, Lucr. 6, 793.—
II In partic., silver-spume , litharge of silver : argenti, Plin. 33, 6, 34, § 102 sq.; 34, 18, 54, § 176: spuma caustica, a pomade used by the Teutones for dyeing the hair red, Mart. 14, 26; called also spuma Batava, id. 8, 33, 20: nitri, Plin. 31, 10, 46, § 112.