in anatomy, a term applied to certain little ducts or vessels, destined for the reception of a fluid, secreted in certain glandules, and other viscera, for the excretion of it in the appropriated places.

Letters of EXCULPATION, in Scots law, a writ or summons issued by authority of the court of justiciary, at the instance of a panel, for citing witnesses to prove his defences, or his objections to any of the jury or witnesses cited against him. See tit. 33.