ink

A pigmented liquid or paste used especially for writing or printing.

A dark liquid ejected for protection by most cephalopods, including octopuses and squids.

Coverage in the print media; publicity.

A tattoo or tattoos.

To mark, coat, or stain with ink.

To append one’s signature to (a contract, for example).

To tattoo.

To color with ink.

To spread ink over; daub with ink.

In falconry, the neck, or that part from the head to the body of the bird that a hawk preys upon.