noun
plural inks
colored liquid that is used for writing or printing [noncount]
[noncount] US slang :public attention :publicity
[noncount] biology :the black liquid that is used by some sea creatures for protection
verb
inks; inked; inking
[+ obj] to put ink on (something)
US informal
to sign (a document) to show that you accept or agree with what is written on it
to hire (someone) to do something by having that person sign a contract
ink in
[phrasal verb]
ink in (something) or ink (something) in :to write or draw (something) in ink