Mica, mice, f. gen. Plin. A very small portion of any thing as a crum of bread, or of glasse, sande, or mettall filed.Auri micæ. Lucret. Lucida mica salis.Ouid.A corne of salt.
Lewis and Short: Latin dictionary
mīca, ae, f. [root smic-; Gr. smikro/s, mikro/s; cf. micula; O. Germ. smahan, to belittle], a crumb, little bit, morsel, grain (poet. and in post-Aug. prose). I.Lit.: mica panis, Petr. 42: auri, Lucr. 1, 839: marmoris, Plin. 33, 4, 21, 68: salis,
a grain of salt
, id. 22, 14, 16, 37: amomi, id. 12, 18, 41, 83: saliens (i. e. salis) mica, Hor. C. 3, 23, 12: tus in micas friatur, Plin. 12, 14, 32, 65: de micis puerorum, Vulg. Marc. 7, 28.—II.Transf.A.A small diningroom, Mart. 2, 59, 1; Sen. Ep. 51, 12.—B. In gen., a little bit, a grain: nulla in tam magno est corpore mica salis,