stet

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To direct that a letter, word, or other matter marked for omission or correction is to be retained. Used in the imperative.
2. v. To nullify (a correction or deletion) in printed matter.

Century Dictionary and Cyclopedia

1. Let it (that is, the original) stand: a proof-reader's order to cancel an alteration previously made by him. It is indicated by putting a line of dots under what is crossed out, and writing “stet” in the margin. Abbreviated st.
2. To mark with the word “stet”; direct or cause to remain, after deletion, as printed; forbear to delete.

Wiktionary

1. n. A symbol used by proofreaders and typesetters to indicate that a word or phrase that was crossed out should still remain. This is usually marked by writing and circling the word stet above or beside the unwanted edit and underscoring the selection with dashes or dots. Alternatively, a circled checkmark may be used in the margin.
2. v. The act of marking previously edited material “stet” to indicate that something previously marked for change should remain as is.

GNU Webster's 1913

1. (Print.) Let it stand; -- a word used by proof readers to signify that something once erased, or marked for omission, is to remain.
2. v. (Print.) To cause or direct to remain after having been marked for omission; to mark with the word stet, or with a series of dots below or beside the matter.

WordNet 3.0

1. v. printing: cancel, as of a correction or deletion
2. v. printing: direct that a matter marked for omission or correction is to be retained (used in the imperative)