Ob"stru*ent (?), a. [L. obstruens, p.pr. of obstruere. See Obstruct.]
Causing obstruction; blocking up; hindering; as, an obstruent medicine.
Johnson.
© Webster 1913.
Ob"stru*ent, n.
Anything that obstructs or closes a passage; esp., that which obstructs natural passages in the body; as, a medicine which acts as an obstruent.
© Webster 1913.