1. writing or inscribing on the top, outside, or surface of something
Usage: present participle of superscribe
2. writing an address on the outside of a letter or package
Usage: formal

Examples

• She was superscribing the envelope with the recipient’s address.
• The clerk spent the morning superscribing packages for delivery.
• He was carefully superscribing each document with the proper heading.
• The postal worker was superscribing the mail with routing codes.
• They were superscribing the invitations with elegant calligraphy.
• The secretary was superscribing the folders with department names.