superscribe

v. t. [ imp. & p. p. Superscribed p. pr. & vb. n. Superscribing. ] [ L. superscribere, superscriptum; super over + scribere to write. See Super-, and Scribe. ] To write or engrave (a name, address, inscription, or the like) on the top or surface; to write a name, address, or the like, on the outside or cover of (anything); as, to superscribe a letter. [ 1913 Webster ]