index (noun Com) : 1. indico
* He who (that which) points out, a pointer, indicator (class.).
* Lit.
* Of things.
* Transf.
* Of persons.
* In gen., an index, sign, mark, indication, proof: complexus, summae benevolentiae falsi indices in amore simulato,Cic. Phil. 11, 2, 5: quia continetis vocem, indicem stultitiae vestrae,id. Rab. Perd. 6, 18: auctoris anulus index, Ov. P. 2, 10, 3: lacrimas paenitentiae indices profuderunt,Curt. 5, 10, 13: herbae horarum indices heliotropium ac lupinum,Plin. 18, 27, 67, § 252: imago animi vultus, indices oculi,Cic. Or. 18, 60: Janum indicem pacis bellique fecit,Liv. 1, 19, 2.
* In gen., one who indicates or discloses, a discoverer, director, guide, informer, discloser, witness: haec omnia indices detulerunt, rei confessi sunt,Cic. Cat. 4, 3, 5: Sestius ab indice Cn. Nerio de ambitu est postulatus,id. Q. Fr. 2, 3, 5; id. Clu. 7, 21: immittere ad rei probationem,Just. 32, 2 fin.: idem et testis,Tac. A. 4, 28.
* Esp., in a bad sense, an informer, betrayer, spy: Catilinam vallatum indicibus atque sicariis,Cic. Mur. 24, 49: saeptus armatis indicibus,id. Sest. 44, 95; id. Vat. 10, 24.
* Of books.
* A title, superscription: deceptus indicibus librorum,Cic. de Or. 2, 14, 61: alteri (libello) Gladius, alteri Pugio index erat,Suet. Cal. 49: index orationis P. Scipionis nomen M. Naevii habet,Liv. 38, 56.
* Of paintings or statues, an inscription: nec quaeris, quid quaque index sub imagine dicat,Tib. 4, 1, 30: tabula in aedem Matris Matutae cum indice hoc posita est, etc.,Liv. 41, 28, 8.
* Of a touchstone: in durum silicem, qui nunc quoque dicitur Index,Ov. M. 2, 706.

s. TLL