- a fluid or viscous substance used for writing or printing.
- a dark, protective fluid ejected by the cuttlefish and other cephalopods.
- Informal. publicity, especially in print media: Their construction plans got some ink in the local paper.
- to mark, stain, cover, or smear with ink: to ink one's clothes.
- Slang. to sign one's name to (an official document): We expect to ink the contract tomorrow.
Origin of ink
- a fluid or paste used for printing, writing, and drawing
- a dark brown fluid ejected into the water for self-concealment by an octopus or related mollusc from a gland (ink sac) near the anus
- to mark with ink
- to coat (a printing surface) with ink
Word Origin for ink
"to mark or stain in ink," 1560s, from ink (n.). Meaning "to cover (a printing plate, etc.) with ink" is from 1727. Related: Inked; inking.
"the black liquor with which men write" [Johnson], mid-13c., from Old French enque "dark writing fluid" (11c.), from Late Latin encaustum, from Greek enkauston "purple or red ink," used by the Roman emperors to sign documents, originally a neuter adjective form of enkaustos "burned in," from stem of enkaiein "to burn in," from en- "in" + kaiein "to burn" (see caustic). The word is from a Greek method of applying colored wax and fixing it with heat. The Old English word for it was simply blæc, literally "black." Ink-blot test attested from 1928.
- A dark liquid ejected for protection by most cephalopods, including the octopus and squid. Ink consists of highly concentrated melanin.