A blurred or double impression in printing.
To blur or double (a printed impression).
To become blurred.
A blot or blur.
A blurred sheet.
To print blurred or double; blur.
(obsolete) To blur, or be blurred, in printing, as if there were a double impression.
Origin of mackle
- Middle English macule spot from Old French from Latin macula
From American Heritage Dictionary of the English Language, 5th Edition