adv. prop. phr. [A prep.1 on + JOINT.] a. On a joint or pivot. b. Jointed, supple, in motion.
1840. Browning, Sordello, II. 304. Like some huge throbbing-stone, that, poised a-joint, Sounds.
1856. Meredith, Shaving of Shagpat, 324. A monkey all ajoint with tricks.
