D defs.my
Entry 3 senses Webster, 1913

Superscription

· Su·per·scrip·tion · IPA /suːpəˈskɹɪpʃ(ə)n/
01 n. The act of superscribing.
  1. 1.
    The act of superscribing.
  2. 2.
    That which is written or engraved on the surface, outside, or above something else; specifically, an address on a letter, envelope, or the like.
    “The superscription of his accusation was written over, The King of the Jews.” — Mark xv. 26.
  3. 3.
    That part of a prescription which contains the Latin word recipe (Take) or the sign �.(Pharm.)