sb. U.S. [f. JACK sb.1 26 + LIGHT.] A light carried in a jack or cresset for hunting or fishing at night. Also attrib. Hence Jack-light v., to hunt or fish with a jack-light.

1

1883.  Chicago Advance, 30 Aug. By night, it is called ‘jacklighting’ the deer. Ibid. William sat just behind the jack-light for two long hours. Ibid. Once after that in a jack-light hunt.

2

1895.  Outing (U.S.), XXVI. 63/2. Dark banks so suggestive of jack-lighting experiences.

3