a fragment of any solid substance; a thick piece. see chunk.-pieces of old cable or old cordage, used for making gaskets, mats, swabs, etc., and when picked to pieces, forming oakum for filling the seams of ships.-old iron, or other metal, glass, paper, etc., bought and sold by junk dealers.-hard salted beef supplied to ships.-a large vessel, without keel or prominent stem, and with huge masts in one piece, used by the chinese, japanese, siamese, malays, etc., in navigating their waters.