1 n. a large species of pike, Esox lucius, found in northern waters.
See also: northern pike jackfish
2 n. a light used at night to attract fish.
See also: jacklight ((n.)) (def. 1)
3 n. Nfld. a small two-masted fishing schooner, sometimes equipped with outriggers.
See also: jackboat
4 n. a person whose occupation is logging (def. 2).
See also: logger (def. 1) logging (def. 2) lumberjack (def. 1)
5a n. any of several large North American hares found in the West, as Lepus americanus and, especially, L. townsendii.
See also: jack-rabbit
5b n. See quotes at big jack.
See also: big jack
6 n. B.C. a salmon that matures early, usually in its third year.