jackstaff an iron rod or wooden bar on a ship to which the sails are fastened.
jimpson weed jimson weed; a poisonous annual weed (Datura stramonium) of the nightshade family, with foul-smelling leaves, prickly fruit, and white or purplish, trumpet-shaped flowers.
juice harp jew's harp, a small musical instrument consisting of a lyre-shaped metal frame held between the teeth and played by plucking a projecting bent piece with the finger.
Langudoc Languedoc, historical region of southern France.
lay in ambuscade hide in ambush.
liberty-pole a tall flagstaff planted in the ground.
