† Poor-JackObs. = next, 1. Cf. Jack1 31 d. c1682J. Collins Salt & Fishery 93 The sort of Cod that is caught near the Shore, and on the Coast of Newfoundland and dryed, is called Poor-Jack.1775R. Twiss Trav. Spain & Port. 267 Salt bacallào, which is like the fish called poor-jack.