'markup' definitions:

Definition of 'markup'

(from WordNet)
noun
The amount added to the cost to determine the asking price
noun
Detailed stylistic instructions for typesetting something that is to be printed; manual markup is usually written on the copy (e.g. underlining words that are to be set in italics)

Definition of 'markup'

From: GCIDE
  • markup \markup\ n.
  • 1. (Commerce) The amount added to the cost to determine the asking price. [WordNet 1.5]
  • 2. (printing) Instructions for the typesetter that are written on the copy (e.g. underlining words that are to be set in italics). [WordNet 1.5]
  • 3. (Legislation) Changes in proposed legislation drafted in conference, as contrasted with changes resulting from the amendment process. [PJC]