Lewis & Short

1. dĭco, āvi, ātum, 1 (dixe for dixisse, Val. Ant. ap. Arn. 5, 1; DICASSIT dixerit, Paul. ex Fest. p. 75, 15; rather = dicaverit), v. a. [orig. the same word with 2. dīco; cf. the meaning of abdĭco and abdīco, of indĭco and indīco, dedĭco, no. II. A. al., Corss. Ausspr. 1, 380].

  1. I. To proclaim, make known. So perh. only in the foll. passage: pugnam, Lucil. ap. Non. 287, 30.
    Far more freq.,
  2. II. Relig. t. t., to dedicate, consecrate, devote any thing to a deity or to a deified person (for syn. cf.: dedico, consecro, inauguro).
    1. A. Prop.: et me dicabo atque animam devotabo hostibus, Att. ap. Non. 98, 12: donum tibi (sc. Jovi) dicatum atque promissum, Cic. Verr. 2, 5, 72; cf.: ara condita atque dicata, Liv. 1, 7 (for which aram condidit dedicavitque, id. 28, 46 fin.); so, aram, id. 1, 7; 1, 20: capitolium, templum Jovis O. M., id. 22, 38 fin.: templa, Ov. F. 1, 610: delubrum ex manubiis, Plin. 7, 26, 27, § 97: lychnuchum Apollini, id. 34, 3, 8, § 14: statuas Olympiae, id. 34, 4, 9, § 16: vehiculum, Tac. G. 40: carmen Veneri, Plin. 37, 10, 66, § 178; cf. Suet. Ner. 10 fin. et saep.: cygni Apollini dicati, Cic. Tusc. 1, 30, 73.
      1. 2. With a personal object, to consecrate, to deify (cf. dedico, no. II. A. b.): Janus geminus a Numa dicatus, Plin. 34, 7, 16, § 34: inter numina dicatus Augustus, Tac. A. 1, 59.
    2. B. Transf., beyond the relig. sphere.
      1. 1. To give up, set apart, appropriate a thing to any one: recita; aurium operam tibi dico, Plaut. Bacch. 4, 9, 72; so, operam, id. Ps. 1, 5, 147; Ter. Ph. 1, 2, 12: hunc totum diem tibi, Cic. Leg. 2, 3, 7: tuum studium meae laudi, id. Fam. 2, 6, 4: genus (orationis) epidicticum gymnasiis et palaestrae, id. Or. 13, 42: librum Maecenati, Plin. 19, 10, 57, § 177; cf.: librum laudibus ptisanae, id. 18, 7, 15, § 75 al.: (Deïopeam) conubio jungam stabili propriamque dicabo, Verg. A. 1, 73; cf. the same verse, ib. 4, 126: se Crasso, Cic. de Or. 3, 3, 11; cf.: se Remis in clientelam, * Caes. B. G. 6, 12, 7: se alii civitati, to become a free denizen of it, Cic. Balb. 11, 28; for which: se in aliam civitatem, id. ib. 12 fin.
      2. * 2. (I. q. dedico, no. II. A.) To consecrate a thing by using it for the first time: nova signa novamque aquilam, Tac. H. 5, 16.
        Hence, dĭcātus, a, um, P. a. (acc. to no. II.), devoted, consecrated, dedicated: loca Christo dedicatissima, August. Civ. Dei, 3, 31: CONSTANTINO AETERNO AVGVSTO ARRIVS DIOTIMVS … N. M. Q. (i. e. numini majestatique) EIVS DICATISSIMVS, Inscr. Orell. 1083.