DCHP-1 Online
jill-poke [origin unknown] Lumbering 
1 n. Maritimes See quote.
- 1908 A "jill-poke," a pet aversion of drivers, is a log with one end lodged on the bank and the other thrust out into the stream.
2 n. Esp. B.C. See quotes.
- 1942 [A] jill-poke [is] a prop, which when motion is started will cause an object to move in another direction.
- 1945 Jill Pokes or single sticks are used . . . from time to time [to keep flat booms from grounding] but are usually considered a temporary arrangement.
- 1965 The floathouse was of great advantage . . . since it was necessary only to . . . run a couple of lines to trees on the shore, rig a couple of long poles, "gilpokes," to keep the float away from the beach. . . .
- 1908 A "jill-poke," a pet aversion of drivers, is a log with one end lodged on the bank and the other thrust out into the stream.