ditto

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The same as stated above or before.
• noun A duplicate; a copy.
• noun A pair of small marks ( ″ ) used to indicate that the word, phrase, or figure given above is to be repeated.
• adverb As before.
• transitive verb To duplicate (a document, for example).

from The Century Dictionary.

• As before; in the same manner; also.
• noun That which has been said; the aforesaid; the same thing: a term used to avoid repetition.
• noun A duplicate.
• noun plural A suit of clothes of the same color or material throughout. Also called ditto-suit.

from the GNU version of the Collaborative International Dictionary of English.

• noun The aforesaid thing; the same (as before). Often contracted to do., or to two “turned commas” (“), or small marks. Used in bills, books of account, tables of names, etc., to save repetition.
• adverb As before, or aforesaid; in the same manner; also.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun That which was stated before, the aforesaid, the above, the same, likewise.
• noun informal A duplicate or copy of a document.
• noun A copy; an imitation.
• noun A symbol, represented by two apostrophes, inverted commas, or quotation marks (" "), when indicating that the item preceding is to be repeated.
• adverb As said before, likewise.
• verb transitive To repeat the aforesaid, the earlier action etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb repeat an action or statement
• noun a mark used to indicate the word above it should be repeated