• Webster's Revised Unabridged Dictionary
    • n Peperino (Geol) A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc.
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Century Dictionary and Cyclopedia
    • n peperino Same as peperine.
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Webster's Revised Unabridged Dictionary
It. peperino, L. piper, pepper. So called on account of its color


In literature:

The margin of the road on either side is strewn with fragments of hewn marble, travertine, and peperino.
"Roman Mosaics" by Hugh Macmillan
A considerable part of the side walls of grey peperino blocks anciently faced with marble is still standing.
"Old Rome" by Robert Burn