Lewis & Short

indictĭo, ōnis, f. [2. indico], a declaration (post-Aug.).

  1. I. In gen.: belli, Flor. 4, 10, 2; Paul. ex Fest. p. 254, 34.
  2. II. In partic.
    1. A. A declaration or imposition of a tax; an impost, tax, Plin. Pan. 29; Dig. 33, 2, 28.
    2. B. A space of fifteen years, Cod.Th. 11, 28, 3: SECVNDA, Inscr. Orell. 1160.