noun
India ink; China ink
Refers to the black ink used in East Asian calligraphy and painting, made from soot and glue.
書道の授業で墨汁を使った。
We used India ink in calligraphy class.
noun
Used for the dark liquid ejected by cephalopods like squid and cuttlefish.
イカの墨汁は料理に使われることがある。
Squid ink is sometimes used in cooking.