\Ex*cip"i*ent\, a. [L. excipients, -entis, p. pr. of
exipere. See {Except}, v. t.]
Taking an exception.

\Ex*cip"i*ent\, n.
1. An exceptor. [R.]
2. (Med.) An inert or slightly active substance used in
   preparing remedies as a vehicle or medium of
   administration for the medicinal agents. --Chambers.