Suppository \Sup*pos"i*to*ry\, n.; pl. {Suppositories}. [LL.
suppositorium, fr. L. suppositorius that is placed
underneath: cf. F. suppositoire. See {Supposition}.] (Med.)
A pill or bolus for introduction into the rectum; esp., a
cylinder or cone of medicated cacao butter.
[1913 Webster]