Webster’s Revised Unabridged Dictionary · 1913
Prohibitory
Pro·hib′it·o·ry (·ō·ry̆), a. [L. prohibitorius.] Tending to prohibit, forbid, or exclude; implying prohibition; forbidding; as, a prohibitory law; a prohibitory price.
Prohibitory index. (R. C. Ch.) See under Index.