Lewis & Short

sŭper-scrībo, psi, ptum, 3, v. a.,

  1. I. to write upon or over, to superscribe (postAug.), Dig. 28, 4, 1; 50, 10, 4; Schol. Juv. 6, 123.
  2. II. Esp., to write over as a correction, Suet. Ner. 52 fin.; Gell. 20, 6, 14.