Ex-cĭp'i-ent, n.

n. [Lat. excipiens, p. pr. of excipere. See EXCEPT, v. t.]

1. One who excepts; an exceptor. [Rare.]
2. (Med.) An inert or slightly active substance used in preparing remedies as a vehicle or medium of administration for the medicinal agents, as breadcrumb, in making pills with some substance which can only be taken in small quantities. Chambers.