mark in

mark (something) in (something)

To make one or more marks on something in a particular medium or material. I've marked all your papers in red ink so that you can see my corrections clearly.
See also: mark
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

mark something in

to write or make a mark on something, perhaps in a box or on a line. I will mark an X in the box by your name. I'll mark in the X.
See also: mark
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The company pioneered the cosmetics compact, which became a holiday gift staple and helped transform Mark ins into an international force with annual sales of over $200 million.
With a significant investment in its core infrastructure, Mark ins is uniquely positioned for growth for 2002.