bleck

noun

1.
a substance capable of reducing friction by making surfaces smooth or slippery
lube lubricant lubricating substance lubricator
2.
major food fish of Arctic and cold-temperate waters
cod codfish
3.
a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
blatch chark coalmote collow colly lifemote shive carbon black crock lampblack smut soot
4.
a liquid used for printing or writing or drawing
bookblack writiron ink