Macule

1. v. To blur; especially (Print.), to blur or double an impression from type. See Mackle.
2. n. A spot.
3. n. A blur, or an appearance of a double impression, as when the paper slips a little; a mackle.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.