Fit or possible to be tried; liable to be subjected to trial or test. "Experiments triable."
2.
(Law) Liable to undergo a judicial examination; properly coming under the cognizance of a court; as, a cause may be triable before one court which is not triable in another.
... a second Committee-reporter, Deputy Mailhe, with a Legal Argument, very prosy to read now, very refreshing to hear then, That, by the Law of the Country, Louis Capet was only called Inviolable by a figure of rhetoric; but at bottom was perfectly violable, triable; that he can, and even should be tried. This Question of Louis, emerging so often as an angry confused possibility, and submerging again, has emerged now in an ... — The French Revolution • Thomas Carlyle