Orvietan

Part of speech: noun (n.)

1. A kind of antidote for poisons; a counter poison formerly in vogue. [Obs.]

2. An adjective suffix meaning of or pertaining to, serving for; as in auditory, pertaining to or serving for hearing; prohibitory, amendatory, etc.

3. A noun suffix denoting that which pertains to, or serves for; as in ambulatory, that which serves for walking; consistory, factory, etc.