Lewis & Short

annŏtātĭo (adn-), ōnis, f. [annoto], a noting down in writing, a remark, annotation (post-Aug.).

  1. I. In gen.: a te librum meum cum adnotationibus tuis exspecto, Plin. Ep. 7, 20; Gell. praef.
  2. II. Esp.
    1. A. In the jurists, the registering of a person among the accused, Dig. 48, 17, 4.
    2. B. A rescript of the emperor, signed with his own hand, Cod. Th. Fragm. 1, 2, 1.