Sup"ple-jack` (?), n. Bot. (a)
A climbing shrub (Berchemia volubilus) of the Southern United States, having a tough and pliable stem.
A somewhat similar tropical American plant (Paullinia Curassavica); also, a walking stick made from its stem.
He was in form and spirit like a supple-jack, . . . yielding, but tough; though he bent, he never broke.
This name is given to various plants of similar habit in different British colonies.
© Webster 1913.