n. One who works on a barge or keel. Also keelman.n. A small shallow tub used for some domestic purposes, as dish-washing, also to hold stuff for calking ships, etc.n. A square or oblong wooden box, from 3 to 4 feet long and 6 to 8 inches deep, used in dressing mackerel, and also to hold the salt used in the process. More fully called gib-keeler.