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1. A pigmented liquid or paste used especially for writing or printing.
2. A dark liquid ejected for protection by most cephalopods, including octopuses and squids.
3. Informal Coverage in the print media; publicity: Her campaign rallies generated a lot of ink.
4. Informal A tattoo or tattoos: showed us his ink.
tr.v. inked, ink·ing, inks
1. To mark, coat, or stain with ink.
2. To apply black lines to (a drawing or sketch) using pen and ink or a digital graphics program.
3. Informal
a. To append one's signature to (a contract, for example).
b. To engage or hire by means of a contract.
4. Informal To tattoo.

[Middle English inke, from Old French enque, from Late Latin encaustum, purple ink, from Greek enkauston, painted in encaustic, from enkaiein, to paint in encaustic, burn in; see encaustic.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
To determine the changes of inking on the counter material more precisely, the spectrophotometric measurements were carried out.
Croteau acknowledged that the few major metros that have moved to high-strength inks are finding benefits in less midtone dot gain, clearer reproduction, less start-up waste, better inking control because of lower ink-water balance and better mileage.
A closer look at the inking and dampening rollers shows that typical inkers and dampeners are constructed by alternating rubber rollers with hard rollers which are typically nylon or copper.